45057190 has 8 divisors (see below), whose sum is σ = 81102960. Its totient is φ = 18022872.

The previous prime is 45057169. The next prime is 45057193. The reversal of 45057190 is 9175054.

45057190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×45057190² = 4060300741392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45057193) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2252850 + ... + 2252869.

It is an arithmetic number, because the mean of its divisors is an integer number (10137870).

Almost surely, 2^45057190 is an apocalyptic number.

45057190 is a deficient number, since it is larger than the sum of its proper divisors (36045770).

45057190 is a wasteful number, since it uses less digits than its factorization.

45057190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505726.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 45057190 is about 6712.4652699288. The cubic root of 45057190 is about 355.8399472006.

The spelling of 45057190 in words is "forty-five million, fifty-seven thousand, one hundred ninety".