156345456 has 40 divisors (see below), whose sum is σ = 404351104. Its totient is φ = 52056000.

The previous prime is 156345439. The next prime is 156345491. The reversal of 156345456 is 654543651.

It is a super-2 number, since 2×156345456² = 48887803223695872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68331 + ... + 70581.

Almost surely, 2^156345456 is an apocalyptic number.

156345456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156345456 is an abundant number, since it is smaller than the sum of its proper divisors (248005648).

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

156345456 is a wasteful number, since it uses less digits than its factorization.

156345456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3703 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 156345456 is about 12503.8176570198. The cubic root of 156345456 is about 538.7183321628.

The spelling of 156345456 in words is "one hundred fifty-six million, three hundred forty-five thousand, four hundred fifty-six".