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145158756 = 22312096563
BaseRepresentation
bin10001010011011…
…11001001100100
3101010010211101020
420221233021210
5244130040011
622223131140
73411554241
oct1051571144
9333124336
10145158756
1174a35a16
1240743ab0
13240c5472
14153c85c8
15cb25006
hex8a6f264

145158756 has 12 divisors (see below), whose sum is σ = 338703792. Its totient is φ = 48386248.

The previous prime is 145158751. The next prime is 145158763. The reversal of 145158756 is 657851541.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (145158751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6048270 + ... + 6048293.

It is an arithmetic number, because the mean of its divisors is an integer number (28225316).

Almost surely, 2145158756 is an apocalyptic number.

It is an amenable number.

145158756 is an abundant number, since it is smaller than the sum of its proper divisors (193545036).

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

145158756 is a wasteful number, since it uses less digits than its factorization.

145158756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096570 (or 12096568 counting only the distinct ones).

The product of its digits is 168000, while the sum is 42.

The square root of 145158756 is about 12048.1847595395. The cubic root of 145158756 is about 525.5504503283.

The spelling of 145158756 in words is "one hundred forty-five million, one hundred fifty-eight thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 12 12096563 24193126 36289689 48386252 72579378 145158756