157187316 has 96 divisors (see below), whose sum is σ = 434649600. Its totient is φ = 43585920.

The previous prime is 157187311. The next prime is 157187351. The reversal of 157187316 is 613781751.

It is a super-2 number, since 2×157187316² = 49415704622567712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157187311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238195 + ... + 238853.

It is an arithmetic number, because the mean of its divisors is an integer number (4527600).

Almost surely, 2^157187316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157187316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217324800).

157187316 is an abundant number, since it is smaller than the sum of its proper divisors (277462284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157187316 is a wasteful number, since it uses less digits than its factorization.

157187316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 827 counting only the distinct ones).

The product of its digits is 35280, while the sum is 39.

The square root of 157187316 is about 12537.4365800988. The cubic root of 157187316 is about 539.6835319907.

The spelling of 157187316 in words is "one hundred fifty-seven million, one hundred eighty-seven thousand, three hundred sixteen".