45517020 has 24 divisors (see below), whose sum is σ = 127447824. Its totient is φ = 12137856.

The previous prime is 45516997. The next prime is 45517057. The reversal of 45517020 is 2071554.

45517020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379249 + ... + 379368.

It is an arithmetic number, because the mean of its divisors is an integer number (5310326).

Almost surely, 2^45517020 is an apocalyptic number.

It is an amenable number.

45517020 is an abundant number, since it is smaller than the sum of its proper divisors (81930804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45517020 is a wasteful number, since it uses less digits than its factorization.

45517020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758629 (or 758627 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 45517020 is about 6746.6302699941. The cubic root of 45517020 is about 357.0463576235.

Adding to 45517020 its reverse (2071554), we get a palindrome (47588574).

The spelling of 45517020 in words is "forty-five million, five hundred seventeen thousand, twenty".