156144645 has 16 divisors (see below), whose sum is σ = 277590720. Its totient is φ = 83277072.

The previous prime is 156144629. The next prime is 156144647. The reversal of 156144645 is 546441651.

156144645 is a `hidden beast` number, since 1 + 5 + 6 + 1 + 4 + 4 + 645 = 666.

It is not a de Polignac number, because 156144645 - 2⁴ = 156144629 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156144647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578179 + ... + 578448.

It is an arithmetic number, because the mean of its divisors is an integer number (17349420).

Almost surely, 2^156144645 is an apocalyptic number.

156144645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156144645 is a deficient number, since it is larger than the sum of its proper divisors (121446075).

156144645 is a wasteful number, since it uses less digits than its factorization.

156144645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156641 (or 1156635 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 156144645 is about 12495.7850893811. The cubic root of 156144645 is about 538.4875890406.

The spelling of 156144645 in words is "one hundred fifty-six million, one hundred forty-four thousand, six hundred forty-five".