157116945 has 8 divisors (see below), whose sum is σ = 251387136. Its totient is φ = 83795696.

The previous prime is 157116937. The next prime is 157116977. The reversal of 157116945 is 549611751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157116945 - 2³ = 157116937 is a prime.

It is a super-2 number, since 2×157116945² = 49371468812266050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5237217 + ... + 5237246.

It is an arithmetic number, because the mean of its divisors is an integer number (31423392).

Almost surely, 2^157116945 is an apocalyptic number.

157116945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157116945 is a deficient number, since it is larger than the sum of its proper divisors (94270191).

157116945 is a wasteful number, since it uses less digits than its factorization.

157116945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474471.

The product of its digits is 37800, while the sum is 39.

The square root of 157116945 is about 12534.6298309922. The cubic root of 157116945 is about 539.6029832126.

The spelling of 157116945 in words is "one hundred fifty-seven million, one hundred sixteen thousand, nine hundred forty-five".