104645591 has 8 divisors (see below), whose sum is σ = 111163104. Its totient is φ = 98168320.

The previous prime is 104645581. The next prime is 104645609. The reversal of 104645591 is 195546401.

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 104645591 - 2¹⁴ = 104629207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104645581) 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, 4610 + ... + 15183.

It is an arithmetic number, because the mean of its divisors is an integer number (13895388).

Almost surely, 2^104645591 is an apocalyptic number.

104645591 is a deficient number, since it is larger than the sum of its proper divisors (6517513).

104645591 is a wasteful number, since it uses less digits than its factorization.

104645591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 104645591 is about 10229.6427601359. The cubic root of 104645591 is about 471.2380082176.

The spelling of 104645591 in words is "one hundred four million, six hundred forty-five thousand, five hundred ninety-one".