100015442 has 4 divisors (see below), whose sum is σ = 150023166. Its totient is φ = 50007720.

The previous prime is 100015429. The next prime is 100015469. The reversal of 100015442 is 244510001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244510001 = 67 ⋅3649403.

It can be written as a sum of positive squares in only one way, i.e., 96255721 + 3759721 = 9811^2 + 1939^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100015442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25003859 + ... + 25003862.

Almost surely, 2^100015442 is an apocalyptic number.

100015442 is a deficient number, since it is larger than the sum of its proper divisors (50007724).

100015442 is an equidigital number, since it uses as much as digits as its factorization.

100015442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50007723.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 100015442 is about 10000.7720701954. The cubic root of 100015442 is about 464.1827739365.

Adding to 100015442 its reverse (244510001), we get a palindrome (344525443).

The spelling of 100015442 in words is "one hundred million, fifteen thousand, four hundred forty-two".