45173620 has 24 divisors (see below), whose sum is σ = 95032224. Its totient is φ = 18037536.

The previous prime is 45173617. The next prime is 45173651. The reversal of 45173620 is 2637154.

45173620 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, 12007 + ... + 15313.

It is an arithmetic number, because the mean of its divisors is an integer number (3959676).

Almost surely, 2^45173620 is an apocalyptic number.

It is an amenable number.

45173620 is an abundant number, since it is smaller than the sum of its proper divisors (49858604).

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

45173620 is a wasteful number, since it uses less digits than its factorization.

45173620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 45173620 is about 6721.1323450740. The cubic root of 45173620 is about 356.1461862277.

The spelling of 45173620 in words is "forty-five million, one hundred seventy-three thousand, six hundred twenty".