45640699 has 8 divisors (see below), whose sum is σ = 52043040. Its totient is φ = 39651456.

The previous prime is 45640697. The next prime is 45640703. The reversal of 45640699 is 99604654.

It is a happy number.

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

It is not a de Polignac number, because 45640699 - 2¹ = 45640697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45640691) 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, 103039 + ... + 103480.

It is an arithmetic number, because the mean of its divisors is an integer number (6505380).

Almost surely, 2^45640699 is an apocalyptic number.

45640699 is a deficient number, since it is larger than the sum of its proper divisors (6402341).

45640699 is a wasteful number, since it uses less digits than its factorization.

45640699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206549.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 45640699 is about 6755.7900352216. The cubic root of 45640699 is about 357.3694543485.

The spelling of 45640699 in words is "forty-five million, six hundred forty thousand, six hundred ninety-nine".