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145351154304 = 2732234153897
BaseRepresentation
bin1000011101011110011…
…0101001101010000000
3111220011202211200110100
42013113212221222000
54340134343414204
6150435015402400
713333636266156
oct2072746515200
9456152750410
10145351154304
1156708a34614
1224205983400
13109253bc2a5
14706c1bb3d6
153baa8dda39
hex21d79a9a80

145351154304 has 96 divisors (see below), whose sum is σ = 418449519540. Its totient is φ = 48428789760.

The previous prime is 145351154287. The next prime is 145351154309. The reversal of 145351154304 is 403451153541.

145351154304 is a `hidden beast` number, since 1 + 4 + 535 + 115 + 4 + 3 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 139367822400 + 5983331904 = 373320^2 + 77352^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1453511543042 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (145351154309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2669884 + ... + 2723780.

Almost surely, 2145351154304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145351154304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209224759770).

145351154304 is an abundant number, since it is smaller than the sum of its proper divisors (273098365236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145351154304 is a wasteful number, since it uses less digits than its factorization.

145351154304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56258 (or 56243 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 145351154304 in words is "one hundred forty-five billion, three hundred fifty-one million, one hundred fifty-four thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 2341 4682 7023 9364 14046 18728 21069 28092 37456 42138 53897 56184 74912 84276 107794 112368 149824 161691 168552 215588 224736 299648 323382 337104 431176 449472 485073 646764 674208 862352 898944 970146 1293528 1348416 1724704 1940292 2587056 2696832 3449408 3880584 5174112 6898816 7761168 10348224 15522336 20696448 31044672 62089344 126172877 252345754 378518631 504691508 757037262 1009383016 1135555893 1514074524 2018766032 2271111786 3028149048 4037532064 4542223572 6056298096 8075064128 9084447144 12112596192 16150128256 18168894288 24225192384 36337788576 48450384768 72675577152 145351154304