156456146 has 48 divisors (see below), whose sum is σ = 310390080. Its totient is φ = 57736800.

The previous prime is 156456133. The next prime is 156456173. The reversal of 156456146 is 641654651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 23 ways as a sum of consecutive naturals, for example, 29756 + ... + 34616.

It is an arithmetic number, because the mean of its divisors is an integer number (6466460).

Almost surely, 2^156456146 is an apocalyptic number.

156456146 is a deficient number, since it is larger than the sum of its proper divisors (153933934).

156456146 is a wasteful number, since it uses less digits than its factorization.

156456146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911 (or 4900 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 156456146 is about 12508.2431220376. The cubic root of 156456146 is about 538.8454367313.

The spelling of 156456146 in words is "one hundred fifty-six million, four hundred fifty-six thousand, one hundred forty-six".