156444002 has 16 divisors (see below), whose sum is σ = 275692032. Its totient is φ = 65640720.

The previous prime is 156443983. The next prime is 156444017. The reversal of 156444002 is 200444651.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 273218 + ... + 273789.

It is an arithmetic number, because the mean of its divisors is an integer number (17230752).

Almost surely, 2^156444002 is an apocalyptic number.

156444002 is a deficient number, since it is larger than the sum of its proper divisors (119248030).

156444002 is a wasteful number, since it uses less digits than its factorization.

156444002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547033.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 156444002 is about 12507.7576727405. The cubic root of 156444002 is about 538.8314947877.

Adding to 156444002 its reverse (200444651), we get a palindrome (356888653).

The spelling of 156444002 in words is "one hundred fifty-six million, four hundred forty-four thousand, two".