157282432 has 32 divisors (see below), whose sum is σ = 313903980. Its totient is φ = 78498816.

The previous prime is 157282423. The next prime is 157282451. The reversal of 157282432 is 234282751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97930816 + 59351616 = 9896^2 + 7704^2 .

It is a tau number, because it is divible by the number of its divisors (32).

Its product of digits (26880) is a multiple of the sum of its prime factors (2240).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129058 + ... + 130270.

Almost surely, 2^157282432 is an apocalyptic number.

It is an amenable number.

157282432 is a deficient number, since it is larger than the sum of its proper divisors (156621548).

157282432 is a wasteful number, since it uses less digits than its factorization.

157282432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2228 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 157282432 is about 12541.2292858396. The cubic root of 157282432 is about 539.7923664472.

The spelling of 157282432 in words is "one hundred fifty-seven million, two hundred eighty-two thousand, four hundred thirty-two".