156224454 has 16 divisors (see below), whose sum is σ = 313605120. Its totient is φ = 51882120.

The previous prime is 156224447. The next prime is 156224513. The reversal of 156224454 is 454422651.

It is a Curzon number.

It is a congruent number.

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, 46414 + ... + 49665.

It is an arithmetic number, because the mean of its divisors is an integer number (19600320).

Almost surely, 2^156224454 is an apocalyptic number.

156224454 is an abundant number, since it is smaller than the sum of its proper divisors (157380666).

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

156224454 is a wasteful number, since it uses less digits than its factorization.

156224454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96355.

The product of its digits is 38400, while the sum is 33.

The square root of 156224454 is about 12498.9781182303. The cubic root of 156224454 is about 538.5793177409.

The spelling of 156224454 in words is "one hundred fifty-six million, two hundred twenty-four thousand, four hundred fifty-four".