155152325 has 12 divisors (see below), whose sum is σ = 192944868. Its totient is φ = 123763200.

The previous prime is 155152321. The next prime is 155152331. The reversal of 155152325 is 523251551.

It can be written as a sum of positive squares in 6 ways, for example, as 15108769 + 140043556 = 3887^2 + 11834^2 .

It is not a de Polignac number, because 155152325 - 2² = 155152321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155152321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35 + ... + 17615.

It is an arithmetic number, because the mean of its divisors is an integer number (16078739).

Almost surely, 2^155152325 is an apocalyptic number.

It is an amenable number.

155152325 is a deficient number, since it is larger than the sum of its proper divisors (37792543).

155152325 is a wasteful number, since it uses less digits than its factorization.

155152325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17944 (or 17939 counting only the distinct ones).

The product of its digits is 7500, while the sum is 29.

The square root of 155152325 is about 12456.0156149549. The cubic root of 155152325 is about 537.3444438983.

The spelling of 155152325 in words is "one hundred fifty-five million, one hundred fifty-two thousand, three hundred twenty-five".