45183090 has 16 divisors (see below), whose sum is σ = 108439488. Its totient is φ = 12048816.

The previous prime is 45183053. The next prime is 45183091. The reversal of 45183090 is 9038154.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1506103 = 45183090 / (4 + 5 + 1 + 8 + 3 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (45183091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753022 + ... + 753081.

It is an arithmetic number, because the mean of its divisors is an integer number (6777468).

Almost surely, 2^45183090 is an apocalyptic number.

45183090 is an abundant number, since it is smaller than the sum of its proper divisors (63256398).

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

45183090 is a wasteful number, since it uses less digits than its factorization.

45183090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506113.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 45183090 is about 6721.8368025414. The cubic root of 45183090 is about 356.1710714648.

The spelling of 45183090 in words is "forty-five million, one hundred eighty-three thousand, ninety".