157506532 has 6 divisors (see below), whose sum is σ = 275636438. Its totient is φ = 78753264.

The previous prime is 157506509. The next prime is 157506533. The reversal of 157506532 is 235605751.

It can be written as a sum of positive squares in only one way, i.e., 107039716 + 50466816 = 10346^2 + 7104^2 .

It is not an unprimeable number, because it can be changed into a prime (157506533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19688313 + ... + 19688320.

Almost surely, 2^157506532 is an apocalyptic number.

It is an amenable number.

157506532 is a deficient number, since it is larger than the sum of its proper divisors (118129906).

157506532 is a wasteful number, since it uses less digits than its factorization.

157506532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39376637 (or 39376635 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 157506532 is about 12550.1606364221. The cubic root of 157506532 is about 540.0486147362.

The spelling of 157506532 in words is "one hundred fifty-seven million, five hundred six thousand, five hundred thirty-two".