156284224 has 14 divisors (see below), whose sum is σ = 310126634. Its totient is φ = 78142080.

The previous prime is 156284197. The next prime is 156284243. The reversal of 156284224 is 422482651.

156284224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142086400 + 14197824 = 11920^2 + 3768^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 156284224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220907 + ... + 1221034.

Almost surely, 2^156284224 is an apocalyptic number.

It is an amenable number.

156284224 is a deficient number, since it is larger than the sum of its proper divisors (153842410).

156284224 is an equidigital number, since it uses as much as digits as its factorization.

156284224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441953 (or 2441943 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 156284224 is about 12501.3688850461. The cubic root of 156284224 is about 538.6479941027.

The spelling of 156284224 in words is "one hundred fifty-six million, two hundred eighty-four thousand, two hundred twenty-four".