103978144 has 24 divisors (see below), whose sum is σ = 205257780. Its totient is φ = 51849216.

The previous prime is 103978129. The next prime is 103978181. The reversal of 103978144 is 441879301.

It can be written as a sum of positive squares in 2 ways, for example, as 103632400 + 345744 = 10180^2 + 588^2 .

It is a super-2 number, since 2×103978144² = 21622908859369472, which contains 22 as substring.

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, 8272 + ... + 16624.

Almost surely, 2^103978144 is an apocalyptic number.

It is an amenable number.

103978144 is a deficient number, since it is larger than the sum of its proper divisors (101279636).

103978144 is an equidigital number, since it uses as much as digits as its factorization.

103978144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752 (or 8744 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 103978144 is about 10196.9673923182. The cubic root of 103978144 is about 470.2339924343.

The spelling of 103978144 in words is "one hundred three million, nine hundred seventy-eight thousand, one hundred forty-four".