156230440 has 32 divisors (see below), whose sum is σ = 354060000. Its totient is φ = 62040384.

The previous prime is 156230401. The next prime is 156230471. The reversal of 156230440 is 44032651.

156230440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8490 + ... + 19609.

It is an arithmetic number, because the mean of its divisors is an integer number (11064375).

Almost surely, 2^156230440 is an apocalyptic number.

156230440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156230440 is an abundant number, since it is smaller than the sum of its proper divisors (197829560).

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

156230440 is a wasteful number, since it uses less digits than its factorization.

156230440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28249 (or 28245 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 156230440 is about 12499.2175755125. The cubic root of 156230440 is about 538.5861965074.

The spelling of 156230440 in words is "one hundred fifty-six million, two hundred thirty thousand, four hundred forty".