109902442 has 16 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 50230512.

The previous prime is 109902439. The next prime is 109902461. The reversal of 109902442 is 244209901.

It is a happy 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, 17842 + ... + 23197.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^109902442 is an apocalyptic number.

109902442 is a deficient number, since it is larger than the sum of its proper divisors (69360278).

109902442 is a wasteful number, since it uses less digits than its factorization.

109902442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41157.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 109902442 is about 10483.4365548707. The cubic root of 109902442 is about 479.0002949195. Note that the first 3 decimals are identical.

The spelling of 109902442 in words is "one hundred nine million, nine hundred two thousand, four hundred forty-two".