104431145 has 16 divisors (see below), whose sum is σ = 154237440. Its totient is φ = 66101184.

The previous prime is 104431111. The next prime is 104431193. The reversal of 104431145 is 541134401.

It is a cyclic number.

It is not a de Polignac number, because 104431145 - 2⁶ = 104431081 is a prime.

It is a super-2 number, since 2×104431145² = 21811728092022050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104431145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114305 + ... + 115214.

It is an arithmetic number, because the mean of its divisors is an integer number (9639840).

Almost surely, 2^104431145 is an apocalyptic number.

It is an amenable number.

104431145 is a deficient number, since it is larger than the sum of its proper divisors (49806295).

104431145 is a wasteful number, since it uses less digits than its factorization.

104431145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229544.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 104431145 is about 10219.1557870501. The cubic root of 104431145 is about 470.9158917194.

Adding to 104431145 its reverse (541134401), we get a palindrome (645565546).

The spelling of 104431145 in words is "one hundred four million, four hundred thirty-one thousand, one hundred forty-five".