104145224 has 8 divisors (see below), whose sum is σ = 195272310. Its totient is φ = 52072608.

The previous prime is 104145221. The next prime is 104145229. The reversal of 104145224 is 422541401.

It can be written as a sum of positive squares in only one way, i.e., 75864100 + 28281124 = 8710^2 + 5318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 104145224.

It is not an unprimeable number, because it can be changed into a prime (104145221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6509069 + ... + 6509084.

Almost surely, 2^104145224 is an apocalyptic number.

It is an amenable number.

104145224 is a deficient number, since it is larger than the sum of its proper divisors (91127086).

104145224 is a wasteful number, since it uses less digits than its factorization.

104145224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018159 (or 13018155 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 104145224 is about 10205.1567356901. The cubic root of 104145224 is about 470.4857269099.

Adding to 104145224 its reverse (422541401), we get a palindrome (526686625).

The spelling of 104145224 in words is "one hundred four million, one hundred forty-five thousand, two hundred twenty-four".