156813460 has 24 divisors (see below), whose sum is σ = 346641120. Its totient is φ = 59423904.

The previous prime is 156813439. The next prime is 156813473. The reversal of 156813460 is 64318651.

It is a happy number.

It is a super-2 number, since 2×156813460² = 49180922474343200, 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, 205954 + ... + 206713.

It is an arithmetic number, because the mean of its divisors is an integer number (14443380).

Almost surely, 2^156813460 is an apocalyptic number.

156813460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156813460 is an abundant number, since it is smaller than the sum of its proper divisors (189827660).

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

156813460 is a wasteful number, since it uses less digits than its factorization.

156813460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412695 (or 412693 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 156813460 is about 12522.5181173756. The cubic root of 156813460 is about 539.2553292948.

The spelling of 156813460 in words is "one hundred fifty-six million, eight hundred thirteen thousand, four hundred sixty".