45520851 has 4 divisors (see below), whose sum is σ = 60694472. Its totient is φ = 30347232.

The previous prime is 45520843. The next prime is 45520859. The reversal of 45520851 is 15802554.

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

It is an interprime number because it is at equal distance from previous prime (45520843) and next prime (45520859).

It is not a de Polignac number, because 45520851 - 2³ = 45520843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45520859) 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, 7586806 + ... + 7586811.

It is an arithmetic number, because the mean of its divisors is an integer number (15173618).

Almost surely, 2^45520851 is an apocalyptic number.

45520851 is a deficient number, since it is larger than the sum of its proper divisors (15173621).

45520851 is a wasteful number, since it uses less digits than its factorization.

45520851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15173620.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 45520851 is about 6746.9141835361. The cubic root of 45520851 is about 357.0563744350.

The spelling of 45520851 in words is "forty-five million, five hundred twenty thousand, eight hundred fifty-one".