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145045536 = 2534143857
BaseRepresentation
bin10001010010100…
…11100000100000
3101002221002001220
420221103200200
5244112424121
622220455040
73410603166
oct1051234040
9332832056
10145045536
1174968949
12406aa480
1324085a7c
1415399236
15cb016c6
hex8a53820

145045536 has 96 divisors (see below), whose sum is σ = 399567168. Its totient is φ = 46018560.

The previous prime is 145045531. The next prime is 145045543. The reversal of 145045536 is 635540541.

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

It is a junction number, because it is equal to n+sod(n) for n = 145045497 and 145045506.

It is not an unprimeable number, because it can be changed into a prime (145045531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168820 + ... + 169676.

It is an arithmetic number, because the mean of its divisors is an integer number (4162158).

Almost surely, 2145045536 is an apocalyptic number.

145045536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145045536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199783584).

145045536 is an abundant number, since it is smaller than the sum of its proper divisors (254521632).

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

145045536 is a wasteful number, since it uses less digits than its factorization.

145045536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 145045536 is about 12043.4852098552. The cubic root of 145045536 is about 525.4137762928.

The spelling of 145045536 in words is "one hundred forty-five million, forty-five thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 43 48 82 86 96 123 129 164 172 246 258 328 344 492 516 656 688 857 984 1032 1312 1376 1714 1763 1968 2064 2571 3428 3526 3936 4128 5142 5289 6856 7052 10284 10578 13712 14104 20568 21156 27424 28208 35137 36851 41136 42312 56416 70274 73702 82272 84624 105411 110553 140548 147404 169248 210822 221106 281096 294808 421644 442212 562192 589616 843288 884424 1124384 1179232 1510891 1686576 1768848 3021782 3373152 3537696 4532673 6043564 9065346 12087128 18130692 24174256 36261384 48348512 72522768 145045536