156261425 has 24 divisors (see below), whose sum is σ = 209183040. Its totient is φ = 115438400.

The previous prime is 156261401. The next prime is 156261431. The reversal of 156261425 is 524162651.

It is not a de Polignac number, because 156261425 - 2⁸ = 156261169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156261391 and 156261400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11990 + ... + 21360.

It is an arithmetic number, because the mean of its divisors is an integer number (8715960).

Almost surely, 2^156261425 is an apocalyptic number.

It is an amenable number.

156261425 is a deficient number, since it is larger than the sum of its proper divisors (52921615).

156261425 is a wasteful number, since it uses less digits than its factorization.

156261425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433 (or 9428 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 156261425 is about 12500.4569916463. The cubic root of 156261425 is about 538.6217998767.

The spelling of 156261425 in words is "one hundred fifty-six million, two hundred sixty-one thousand, four hundred twenty-five".