100442132 has 24 divisors (see below), whose sum is σ = 211458240. Its totient is φ = 40780800.

The previous prime is 100442123. The next prime is 100442183. The reversal of 100442132 is 231244001.

It is a self number, because there is not a number n which added to its sum of digits gives 100442132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93869 + ... + 94932.

It is an arithmetic number, because the mean of its divisors is an integer number (8810760).

Almost surely, 2^100442132 is an apocalyptic number.

It is an amenable number.

100442132 is an abundant number, since it is smaller than the sum of its proper divisors (111016108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100442132 is a wasteful number, since it uses less digits than its factorization.

100442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188831 (or 188829 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100442132 is about 10022.0822187807. The cubic root of 100442132 is about 464.8419426583.

Adding to 100442132 its reverse (231244001), we get a palindrome (331686133).

The spelling of 100442132 in words is "one hundred million, four hundred forty-two thousand, one hundred thirty-two".