157499234 has 8 divisors (see below), whose sum is σ = 236463708. Its totient is φ = 78678000.

The previous prime is 157499233. The next prime is 157499249. The reversal of 157499234 is 432994751.

It can be written as a sum of positive squares in 2 ways, for example, as 152646025 + 4853209 = 12355^2 + 2203^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157499233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33017 + ... + 37484.

Almost surely, 2^157499234 is an apocalyptic number.

157499234 is a deficient number, since it is larger than the sum of its proper divisors (78964474).

157499234 is a wasteful number, since it uses less digits than its factorization.

157499234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71620.

The product of its digits is 272160, while the sum is 44.

The square root of 157499234 is about 12549.8698798035. The cubic root of 157499234 is about 540.0402736309.

The spelling of 157499234 in words is "one hundred fifty-seven million, four hundred ninety-nine thousand, two hundred thirty-four".