255165151 has 4 divisors (see below), whose sum is σ = 266259312. Its totient is φ = 244070992.

The previous prime is 255165143. The next prime is 255165179. The reversal of 255165151 is 151561552.

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 255165151 - 2³ = 255165143 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255165101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5547046 + ... + 5547091.

It is an arithmetic number, because the mean of its divisors is an integer number (66564828).

Almost surely, 2^255165151 is an apocalyptic number.

255165151 is a deficient number, since it is larger than the sum of its proper divisors (11094161).

255165151 is a wasteful number, since it uses less digits than its factorization.

255165151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094160.

The product of its digits is 7500, while the sum is 31.

The square root of 255165151 is about 15973.8896640737. The cubic root of 255165151 is about 634.2694398552.

The spelling of 255165151 in words is "two hundred fifty-five million, one hundred sixty-five thousand, one hundred fifty-one".