156081456 has 30 divisors (see below), whose sum is σ = 436811700. Its totient is φ = 52027104.

The previous prime is 156081413. The next prime is 156081463. The reversal of 156081456 is 654180651.

156081456 is a `hidden beast` number, since 1 + 5 + 608 + 1 + 45 + 6 = 666.

156081456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156081456² = 48722841814159872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 156081456.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 541806 + ... + 542093.

It is an arithmetic number, because the mean of its divisors is an integer number (14560390).

Almost surely, 2^156081456 is an apocalyptic number.

156081456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156081456 is an abundant number, since it is smaller than the sum of its proper divisors (280730244).

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

156081456 is a wasteful number, since it uses less digits than its factorization.

156081456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083913 (or 1083904 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 156081456 is about 12493.2564209657. The cubic root of 156081456 is about 538.4149404113.

The spelling of 156081456 in words is "one hundred fifty-six million, eighty-one thousand, four hundred fifty-six".