45724591 has 8 divisors (see below), whose sum is σ = 49947264. Its totient is φ = 41512920.

The previous prime is 45724579. The next prime is 45724603. The reversal of 45724591 is 19542754.

It is an interprime number because it is at equal distance from previous prime (45724579) and next prime (45724603).

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 45724591 - 2⁵ = 45724559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45724591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45724501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7686 + ... + 12268.

It is an arithmetic number, because the mean of its divisors is an integer number (6243408).

Almost surely, 2^45724591 is an apocalyptic number.

45724591 is a deficient number, since it is larger than the sum of its proper divisors (4222673).

45724591 is a wasteful number, since it uses less digits than its factorization.

45724591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its digits is 50400, while the sum is 37.

The square root of 45724591 is about 6761.9960810400. The cubic root of 45724591 is about 357.5882801530.

The spelling of 45724591 in words is "forty-five million, seven hundred twenty-four thousand, five hundred ninety-one".