157828995 has 24 divisors (see below), whose sum is σ = 275418000. Its totient is φ = 83606976.

The previous prime is 157828981. The next prime is 157828999. The reversal of 157828995 is 599828751.

It is not a de Polignac number, because 157828995 - 2²¹ = 155731843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157828999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5065 + ... + 18474.

It is an arithmetic number, because the mean of its divisors is an integer number (11475750).

Almost surely, 2^157828995 is an apocalyptic number.

157828995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157828995 is a deficient number, since it is larger than the sum of its proper divisors (117589005).

157828995 is a wasteful number, since it uses less digits than its factorization.

157828995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23699 (or 23696 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 54.

The square root of 157828995 is about 12563.0010347846. The cubic root of 157828995 is about 540.4169105489.

The spelling of 157828995 in words is "one hundred fifty-seven million, eight hundred twenty-eight thousand, nine hundred ninety-five".