156290005028 has 6 divisors (see below), whose sum is σ = 273507508806. Its totient is φ = 78145002512.

The previous prime is 156290005021. The next prime is 156290005031. The reversal of 156290005028 is 820500092651.

It can be written as a sum of positive squares in only one way, i.e., 94170424384 + 62119580644 = 306872^2 + 249238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156290004982 and 156290005000.

It is not an unprimeable number, because it can be changed into a prime (156290005021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19536250625 + ... + 19536250632.

It is an arithmetic number, because the mean of its divisors is an integer number (45584584801).

Almost surely, 2^156290005028 is an apocalyptic number.

It is an amenable number.

156290005028 is a deficient number, since it is larger than the sum of its proper divisors (117217503778).

156290005028 is a wasteful number, since it uses less digits than its factorization.

156290005028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39072501261 (or 39072501259 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

Adding to 156290005028 its reverse (820500092651), we get a palindrome (976790097679).

The spelling of 156290005028 in words is "one hundred fifty-six billion, two hundred ninety million, five thousand, twenty-eight".