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145114400 = 2552199547
BaseRepresentation
bin10001010011001…
…00010100100000
3101010001120112102
420221210110200
5244122130100
622222145532
73411311024
oct1051442440
9333046472
10145114400
1174a05662
12407222a8
13240ab212
14153b6384
15cb16cd5
hex8a64520

145114400 has 72 divisors (see below), whose sum is σ = 372944880. Its totient is φ = 54984960.

The previous prime is 145114393. The next prime is 145114423. The reversal of 145114400 is 4411541.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10427 + ... + 19973.

It is an arithmetic number, because the mean of its divisors is an integer number (5179790).

Almost surely, 2145114400 is an apocalyptic number.

145114400 is a gapful number since it is divisible by the number (10) 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 145114400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186472440).

145114400 is an abundant number, since it is smaller than the sum of its proper divisors (227830480).

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

145114400 is a wasteful number, since it uses less digits than its factorization.

145114400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9586 (or 9573 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 145114400 is about 12046.3438436731. The cubic root of 145114400 is about 525.4969142523.

Adding to 145114400 its reverse (4411541), we get a palindrome (149525941).

It can be divided in two parts, 1451 and 14400, that added together give a palindrome (15851).

The spelling of 145114400 in words is "one hundred forty-five million, one hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 152 160 190 200 304 380 400 475 608 760 800 950 1520 1900 3040 3800 7600 9547 15200 19094 38188 47735 76376 95470 152752 181393 190940 238675 305504 362786 381880 477350 725572 763760 906965 954700 1451144 1527520 1813930 1909400 2902288 3627860 3818800 4534825 5804576 7255720 7637600 9069650 14511440 18139300 29022880 36278600 72557200 145114400