157795199 has 4 divisors (see below), whose sum is σ = 157844400. Its totient is φ = 157746000.

The previous prime is 157795189. The next prime is 157795273. The reversal of 157795199 is 991597751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991597751 = 41 ⋅24185311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157795199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157795199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157795189) 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, 19427 + ... + 26324.

It is an arithmetic number, because the mean of its divisors is an integer number (39461100).

Almost surely, 2^157795199 is an apocalyptic number.

157795199 is a deficient number, since it is larger than the sum of its proper divisors (49201).

157795199 is an equidigital number, since it uses as much as digits as its factorization.

157795199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49200.

The product of its digits is 893025, while the sum is 53.

The square root of 157795199 is about 12561.6559019900. The cubic root of 157795199 is about 540.3783345494.

The spelling of 157795199 in words is "one hundred fifty-seven million, seven hundred ninety-five thousand, one hundred ninety-nine".