155263625 has 16 divisors (see below), whose sum is σ = 211386240. Its totient is φ = 112918000.

The previous prime is 155263613. The next prime is 155263631. The reversal of 155263625 is 526362551.

It is not a de Polignac number, because 155263625 - 2⁶ = 155263561 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55085 + ... + 57834.

It is an arithmetic number, because the mean of its divisors is an integer number (13211640).

Almost surely, 2^155263625 is an apocalyptic number.

It is an amenable number.

155263625 is a deficient number, since it is larger than the sum of its proper divisors (56122615).

155263625 is a wasteful number, since it uses less digits than its factorization.

155263625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112945 (or 112935 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 155263625 is about 12460.4825347978. The cubic root of 155263625 is about 537.4729029066.

The spelling of 155263625 in words is "one hundred fifty-five million, two hundred sixty-three thousand, six hundred twenty-five".