100455842 has 8 divisors (see below), whose sum is σ = 150793500. Its totient is φ = 50191344.

The previous prime is 100455833. The next prime is 100455889. The reversal of 100455842 is 248554001.

It can be written as a sum of positive squares in 2 ways, for example, as 99221521 + 1234321 = 9961^2 + 1111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14717 + ... + 20432.

Almost surely, 2^100455842 is an apocalyptic number.

100455842 is a deficient number, since it is larger than the sum of its proper divisors (50337658).

100455842 is a wasteful number, since it uses less digits than its factorization.

100455842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36580.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 100455842 is about 10022.7661850409. The cubic root of 100455842 is about 464.8630914630.

The spelling of 100455842 in words is "one hundred million, four hundred fifty-five thousand, eight hundred forty-two".