100451432 has 8 divisors (see below), whose sum is σ = 188346450. Its totient is φ = 50225712.

The previous prime is 100451401. The next prime is 100451443. The reversal of 100451432 is 234154001.

It can be written as a sum of positive squares in only one way, i.e., 77545636 + 22905796 = 8806^2 + 4786^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6278207 + ... + 6278222.

Almost surely, 2^100451432 is an apocalyptic number.

It is an amenable number.

100451432 is a deficient number, since it is larger than the sum of its proper divisors (87895018).

100451432 is a wasteful number, since it uses less digits than its factorization.

100451432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12556435 (or 12556431 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 100451432 is about 10022.5461834805. The cubic root of 100451432 is about 464.8562888846.

The spelling of 100451432 in words is "one hundred million, four hundred fifty-one thousand, four hundred thirty-two".