157544316 has 18 divisors (see below), whose sum is σ = 398237112. Its totient is φ = 52514760.

The previous prime is 157544311. The next prime is 157544363. The reversal of 157544316 is 613445751.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4376231 = 157544316 / (1 + 5 + 7 + 5 + 4 + 4 + 3 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157544311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2188080 + ... + 2188151.

It is an arithmetic number, because the mean of its divisors is an integer number (22124284).

Almost surely, 2^157544316 is an apocalyptic number.

It is an amenable number.

157544316 is an abundant number, since it is smaller than the sum of its proper divisors (240692796).

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

157544316 is a wasteful number, since it uses less digits than its factorization.

157544316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376241 (or 4376236 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 157544316 is about 12551.6658655335. The cubic root of 157544316 is about 540.0917950944.

The spelling of 157544316 in words is "one hundred fifty-seven million, five hundred forty-four thousand, three hundred sixteen".