100442475 has 36 divisors (see below), whose sum is σ = 205607376. Its totient is φ = 45915840.

The previous prime is 100442471. The next prime is 100442479. The reversal of 100442475 is 574244001.

It is an interprime number because it is at equal distance from previous prime (100442471) and next prime (100442479).

It is not a de Polignac number, because 100442475 - 2² = 100442471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100442471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30312 + ... + 33461.

It is an arithmetic number, because the mean of its divisors is an integer number (5711316).

Almost surely, 2^100442475 is an apocalyptic number.

100442475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100442475 is an abundant number, since it is smaller than the sum of its proper divisors (105164901).

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

100442475 is a wasteful number, since it uses less digits than its factorization.

100442475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63796 (or 63788 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 100442475 is about 10022.0993309785. The cubic root of 100442475 is about 464.8424717876.

Adding to 100442475 its reverse (574244001), we get a palindrome (674686476).

The spelling of 100442475 in words is "one hundred million, four hundred forty-two thousand, four hundred seventy-five".