45196591 has 16 divisors (see below), whose sum is σ = 52744608. Its totient is φ = 38272000.

The previous prime is 45196589. The next prime is 45196597. The reversal of 45196591 is 19569154.

It is a cyclic number.

It is not a de Polignac number, because 45196591 - 2¹ = 45196589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45196597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17691 + ... + 20083.

It is an arithmetic number, because the mean of its divisors is an integer number (3296538).

Almost surely, 2^45196591 is an apocalyptic number.

45196591 is a deficient number, since it is larger than the sum of its proper divisors (7548017).

45196591 is a wasteful number, since it uses less digits than its factorization.

45196591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522.

The product of its digits is 48600, while the sum is 40.

The square root of 45196591 is about 6722.8409917237. The cubic root of 45196591 is about 356.2065433398.

The spelling of 45196591 in words is "forty-five million, one hundred ninety-six thousand, five hundred ninety-one".