45003390 has 16 divisors (see below), whose sum is σ = 108008208. Its totient is φ = 12000896.

The previous prime is 45003373. The next prime is 45003391. The reversal of 45003390 is 9330054.

It is a super-2 number, since 2×45003390² = 4050610222984200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45003390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45003391) 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, 750027 + ... + 750086.

It is an arithmetic number, because the mean of its divisors is an integer number (6750513).

Almost surely, 2^45003390 is an apocalyptic number.

45003390 is an abundant number, since it is smaller than the sum of its proper divisors (63004818).

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

45003390 is a wasteful number, since it uses less digits than its factorization.

45003390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500123.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 45003390 is about 6708.4566034223. The cubic root of 45003390 is about 355.6982619790.

The spelling of 45003390 in words is "forty-five million, three thousand, three hundred ninety".