45309190 has 16 divisors (see below), whose sum is σ = 81750240. Its totient is φ = 18080640.

The previous prime is 45309181. The next prime is 45309191. The reversal of 45309190 is 9190354.

45309190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45309190² = 4105845396912200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45309191) 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 7 ways as a sum of consecutive naturals, for example, 771 + ... + 9550.

It is an arithmetic number, because the mean of its divisors is an integer number (5109390).

Almost surely, 2^45309190 is an apocalyptic number.

45309190 is a deficient number, since it is larger than the sum of its proper divisors (36441050).

45309190 is a wasteful number, since it uses less digits than its factorization.

45309190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10767.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 45309190 is about 6731.2101438003. The cubic root of 45309190 is about 356.5021057415.

The spelling of 45309190 in words is "forty-five million, three hundred nine thousand, one hundred ninety".