45088613 has 8 divisors (see below), whose sum is σ = 45665400. Its totient is φ = 44515008.

The previous prime is 45088609. The next prime is 45088661. The reversal of 45088613 is 31688054.

It can be written as a sum of positive squares in 4 ways, for example, as 1555009 + 43533604 = 1247^2 + 6598^2 .

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 45088613 - 2² = 45088609 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 (45088013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40103 + ... + 41211.

It is an arithmetic number, because the mean of its divisors is an integer number (5708175).

Almost surely, 2^45088613 is an apocalyptic number.

It is an amenable number.

45088613 is a deficient number, since it is larger than the sum of its proper divisors (576787).

45088613 is a wasteful number, since it uses less digits than its factorization.

45088613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 45088613 is about 6714.8055072355. The cubic root of 45088613 is about 355.9226492090.

The spelling of 45088613 in words is "forty-five million, eighty-eight thousand, six hundred thirteen".