157884253 has 8 divisors (see below), whose sum is σ = 167382072. Its totient is φ = 148409856.

The previous prime is 157884239. The next prime is 157884263. The reversal of 157884253 is 352488751.

It can be written as a sum of positive squares in 4 ways, for example, as 56821444 + 101062809 = 7538^2 + 10053^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157884253 is a prime.

It is a super-3 number, since 3×157884253³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157884203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9151 + ... + 19987.

It is an arithmetic number, because the mean of its divisors is an integer number (20922759).

Almost surely, 2^157884253 is an apocalyptic number.

It is an amenable number.

157884253 is a deficient number, since it is larger than the sum of its proper divisors (9497819).

157884253 is a wasteful number, since it uses less digits than its factorization.

157884253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711.

The product of its digits is 268800, while the sum is 43.

The square root of 157884253 is about 12565.2000779932. The cubic root of 157884253 is about 540.4799722047.

The spelling of 157884253 in words is "one hundred fifty-seven million, eight hundred eighty-four thousand, two hundred fifty-three".