45518007 has 4 divisors (see below), whose sum is σ = 60690680. Its totient is φ = 30345336.

The previous prime is 45517999. The next prime is 45518009. The reversal of 45518007 is 70081554.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45518007 - 2³ = 45517999 is a prime.

It is a super-2 number, since 2×45518007² = 4143777922504098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45518009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7586332 + ... + 7586337.

It is an arithmetic number, because the mean of its divisors is an integer number (15172670).

Almost surely, 2^45518007 is an apocalyptic number.

45518007 is a deficient number, since it is larger than the sum of its proper divisors (15172673).

45518007 is a wasteful number, since it uses less digits than its factorization.

45518007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15172672.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 45518007 is about 6746.7034172253. The cubic root of 45518007 is about 357.0489383593.

The spelling of 45518007 in words is "forty-five million, five hundred eighteen thousand, seven".