157487253 has 16 divisors (see below), whose sum is σ = 261797376. Its totient is φ = 81811440.

The previous prime is 157487237. The next prime is 157487261. The reversal of 157487253 is 352784751.

It is not a de Polignac number, because 157487253 - 2⁴ = 157487237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157487753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340651 + ... + 341112.

It is an arithmetic number, because the mean of its divisors is an integer number (16362336).

Almost surely, 2^157487253 is an apocalyptic number.

It is an amenable number.

157487253 is a deficient number, since it is larger than the sum of its proper divisors (104310123).

157487253 is a wasteful number, since it uses less digits than its factorization.

157487253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681784.

The product of its digits is 235200, while the sum is 42.

The square root of 157487253 is about 12549.3925350991. The cubic root of 157487253 is about 540.0265796245.

The spelling of 157487253 in words is "one hundred fifty-seven million, four hundred eighty-seven thousand, two hundred fifty-three".