100442432 has 14 divisors (see below), whose sum is σ = 199315578. Its totient is φ = 50221184.

The previous prime is 100442413. The next prime is 100442437. The reversal of 100442432 is 234244001.

It can be written as a sum of positive squares in only one way, i.e., 92467456 + 7974976 = 9616^2 + 2824^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100442437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784643 + ... + 784770.

It is an arithmetic number, because the mean of its divisors is an integer number (14236827).

Almost surely, 2^100442432 is an apocalyptic number.

It is an amenable number.

100442432 is a deficient number, since it is larger than the sum of its proper divisors (98873146).

100442432 is an equidigital number, since it uses as much as digits as its factorization.

100442432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569425 (or 1569415 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 100442432 is about 10022.0971857192. The cubic root of 100442432 is about 464.8424054536.

Adding to 100442432 its reverse (234244001), we get a palindrome (334686433).

The spelling of 100442432 in words is "one hundred million, four hundred forty-two thousand, four hundred thirty-two".