156454244 has 12 divisors (see below), whose sum is σ = 274501500. Its totient is φ = 78025248.

The previous prime is 156454231. The next prime is 156454267. The reversal of 156454244 is 442454651.

It can be written as a sum of positive squares in 2 ways, for example, as 44729344 + 111724900 = 6688^2 + 10570^2 .

It is a super-2 number, since 2×156454244² = 48955860931223072, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 48719 + ... + 51830.

It is an arithmetic number, because the mean of its divisors is an integer number (22875125).

Almost surely, 2^156454244 is an apocalyptic number.

It is an amenable number.

156454244 is a deficient number, since it is larger than the sum of its proper divisors (118047256).

156454244 is a wasteful number, since it uses less digits than its factorization.

156454244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100942 (or 100940 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 156454244 is about 12508.1670919444. The cubic root of 156454244 is about 538.8432531841.

The spelling of 156454244 in words is "one hundred fifty-six million, four hundred fifty-four thousand, two hundred forty-four".