104256545 has 8 divisors (see below), whose sum is σ = 125504424. Its totient is φ = 83140864.

The previous prime is 104256541. The next prime is 104256557. The reversal of 104256545 is 545652401.

It can be written as a sum of positive squares in 4 ways, for example, as 1700416 + 102556129 = 1304^2 + 10127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104256545 - 2² = 104256541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104256541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31304 + ... + 34473.

It is an arithmetic number, because the mean of its divisors is an integer number (15688053).

Almost surely, 2^104256545 is an apocalyptic number.

It is an amenable number.

104256545 is a deficient number, since it is larger than the sum of its proper divisors (21247879).

104256545 is an equidigital number, since it uses as much as digits as its factorization.

104256545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66099.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 104256545 is about 10210.6094333296. The cubic root of 104256545 is about 470.6533015378.

The spelling of 104256545 in words is "one hundred four million, two hundred fifty-six thousand, five hundred forty-five".