157859955 has 32 divisors (see below), whose sum is σ = 306155520. Its totient is φ = 76537440.

The previous prime is 157859953. The next prime is 157859959. The reversal of 157859955 is 559958751.

It is a happy number.

It is not a de Polignac number, because 157859955 - 2¹ = 157859953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157859951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51667 + ... + 54636.

It is an arithmetic number, because the mean of its divisors is an integer number (9567360).

Almost surely, 2^157859955 is an apocalyptic number.

157859955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157859955 is a deficient number, since it is larger than the sum of its proper divisors (148295565).

157859955 is a wasteful number, since it uses less digits than its factorization.

157859955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106328 (or 106322 counting only the distinct ones).

The product of its digits is 2835000, while the sum is 54.

The square root of 157859955 is about 12564.2331640256. The cubic root of 157859955 is about 540.4522446007.

The spelling of 157859955 in words is "one hundred fifty-seven million, eight hundred fifty-nine thousand, nine hundred fifty-five".