156464603306225 has 12 divisors (see below), whose sum is σ = 194058590419584. Its totient is φ = 125144274696720.

The previous prime is 156464603306213. The next prime is 156464603306237. The reversal of 156464603306225 is 522603306464651.

It is an interprime number because it is at equal distance from previous prime (156464603306213) and next prime (156464603306237).

It is not a de Polignac number, because 156464603306225 - 2³⁰ = 156463529564401 is a prime.

It is a super-2 number, since 2×156464603306225² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685082249 + ... + 685310598.

It is an arithmetic number, because the mean of its divisors is an integer number (16171549201632).

Almost surely, 2^{156464603306225} is an apocalyptic number.

It is an amenable number.

156464603306225 is a deficient number, since it is larger than the sum of its proper divisors (37593987113359).

156464603306225 is a wasteful number, since it uses less digits than its factorization.

156464603306225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370397424 (or 1370397419 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 156464603306225 in words is "one hundred fifty-six trillion, four hundred sixty-four billion, six hundred three million, three hundred six thousand, two hundred twenty-five".