151663432 has 8 divisors (see below), whose sum is σ = 284368950. Its totient is φ = 75831712.

The previous prime is 151663429. The next prime is 151663441. The reversal of 151663432 is 234366151.

It can be written as a sum of positive squares in only one way, i.e., 126922756 + 24740676 = 11266^2 + 4974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 151663394 and 151663403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9478957 + ... + 9478972.

Almost surely, 2^151663432 is an apocalyptic number.

It is an amenable number.

151663432 is a deficient number, since it is larger than the sum of its proper divisors (132705518).

151663432 is a wasteful number, since it uses less digits than its factorization.

151663432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18957935 (or 18957931 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 151663432 is about 12315.1708067732. The cubic root of 151663432 is about 533.2861357539.

The spelling of 151663432 in words is "one hundred fifty-one million, six hundred sixty-three thousand, four hundred thirty-two".