104400945 has 24 divisors (see below), whose sum is σ = 197413632. Its totient is φ = 50618400.

The previous prime is 104400929. The next prime is 104400971. The reversal of 104400945 is 549004401.

It is not a de Polignac number, because 104400945 - 2⁴ = 104400929 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104961 + ... + 105950.

It is an arithmetic number, because the mean of its divisors is an integer number (8225568).

Almost surely, 2^104400945 is an apocalyptic number.

104400945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104400945 is a deficient number, since it is larger than the sum of its proper divisors (93012687).

104400945 is a wasteful number, since it uses less digits than its factorization.

104400945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210933 (or 210930 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 104400945 is about 10217.6780630435. The cubic root of 104400945 is about 470.8704932863.

The spelling of 104400945 in words is "one hundred four million, four hundred thousand, nine hundred forty-five".