157144754 has 32 divisors (see below), whose sum is σ = 258246576. Its totient is φ = 71285760.

The previous prime is 157144727. The next prime is 157144777. The reversal of 157144754 is 457441751.

It can be written as a sum of positive squares in 8 ways, for example, as 52635025 + 104509729 = 7255^2 + 10223^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559094 + ... + 559374.

Almost surely, 2^157144754 is an apocalyptic number.

157144754 is a deficient number, since it is larger than the sum of its proper divisors (101101822).

157144754 is a wasteful number, since it uses less digits than its factorization.

157144754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its digits is 78400, while the sum is 38.

The square root of 157144754 is about 12535.7390687586. The cubic root of 157144754 is about 539.6348171100.

The spelling of 157144754 in words is "one hundred fifty-seven million, one hundred forty-four thousand, seven hundred fifty-four".