100462642 has 20 divisors (see below), whose sum is σ = 175807566. Its totient is φ = 43053360.

The previous prime is 100462631. The next prime is 100462651. The reversal of 100462642 is 246264001.

It can be written as a sum of positive squares in only one way, i.e., 76930441 + 23532201 = 8771^2 + 4851^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5659 + ... + 15262.

Almost surely, 2^100462642 is an apocalyptic number.

100462642 is a deficient number, since it is larger than the sum of its proper divisors (75344924).

100462642 is an frugal number, since it uses more digits than its factorization.

100462642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20951 (or 20930 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 100462642 is about 10023.1054070083. The cubic root of 100462642 is about 464.8735803094.

The spelling of 100462642 in words is "one hundred million, four hundred sixty-two thousand, six hundred forty-two".