255107157 has 4 divisors (see below), whose sum is σ = 340142880. Its totient is φ = 170071436.

The previous prime is 255107147. The next prime is 255107159. The reversal of 255107157 is 751701552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255107157 - 2¹⁹ = 254582869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255107159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42517857 + ... + 42517862.

It is an arithmetic number, because the mean of its divisors is an integer number (85035720).

Almost surely, 2^255107157 is an apocalyptic number.

It is an amenable number.

255107157 is a deficient number, since it is larger than the sum of its proper divisors (85035723).

255107157 is an equidigital number, since it uses as much as digits as its factorization.

255107157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85035722.

The product of its (nonzero) digits is 12250, while the sum is 33.

The square root of 255107157 is about 15972.0742860782. The cubic root of 255107157 is about 634.2213839081.

The spelling of 255107157 in words is "two hundred fifty-five million, one hundred seven thousand, one hundred fifty-seven".