155325887 has 4 divisors (see below), whose sum is σ = 155352120. Its totient is φ = 155299656.

The previous prime is 155325869. The next prime is 155325901. The reversal of 155325887 is 788523551.

155325887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155325887 - 2¹² = 155321791 is a prime.

It is a super-2 number, since 2×155325887² = 48252262344673538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155325857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428 + ... + 17630.

It is an arithmetic number, because the mean of its divisors is an integer number (38838030).

Almost surely, 2^155325887 is an apocalyptic number.

155325887 is a deficient number, since it is larger than the sum of its proper divisors (26233).

155325887 is an equidigital number, since it uses as much as digits as its factorization.

155325887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26232.

The product of its digits is 336000, while the sum is 44.

The square root of 155325887 is about 12462.9806627468. The cubic root of 155325887 is about 537.5447370011.

The spelling of 155325887 in words is "one hundred fifty-five million, three hundred twenty-five thousand, eight hundred eighty-seven".