155163325 has 12 divisors (see below), whose sum is σ = 195040468. Its totient is φ = 122428800.

The previous prime is 155163319. The next prime is 155163331. The reversal of 155163325 is 523361551.

It is an interprime number because it is at equal distance from previous prime (155163319) and next prime (155163331).

It can be written as a sum of positive squares in 6 ways, for example, as 4831204 + 150332121 = 2198^2 + 12261^2 .

It is not a de Polignac number, because 155163325 - 2³ = 155163317 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent 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, 40686 + ... + 44335.

Almost surely, 2^155163325 is an apocalyptic number.

It is an amenable number.

155163325 is a deficient number, since it is larger than the sum of its proper divisors (39877143).

155163325 is an equidigital number, since it uses as much as digits as its factorization.

155163325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85104 (or 85099 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 155163325 is about 12456.4571608463. The cubic root of 155163325 is about 537.3571424924.

The spelling of 155163325 in words is "one hundred fifty-five million, one hundred sixty-three thousand, three hundred twenty-five".