155185265 has 16 divisors (see below), whose sum is σ = 197468928. Its totient is φ = 116672256.

The previous prime is 155185253. The next prime is 155185279. The reversal of 155185265 is 562581551.

It is a cyclic number.

It is not a de Polignac number, because 155185265 - 2⁴ = 155185249 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 108344 + ... + 109766.

It is an arithmetic number, because the mean of its divisors is an integer number (12341808).

Almost surely, 2^155185265 is an apocalyptic number.

It is an amenable number.

155185265 is a deficient number, since it is larger than the sum of its proper divisors (42283663).

155185265 is a wasteful number, since it uses less digits than its factorization.

155185265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its digits is 60000, while the sum is 38.

The square root of 155185265 is about 12457.3377974590. The cubic root of 155185265 is about 537.3824686234.

The spelling of 155185265 in words is "one hundred fifty-five million, one hundred eighty-five thousand, two hundred sixty-five".