45304390 has 16 divisors (see below), whose sum is σ = 82697760. Its totient is φ = 17866240.

The previous prime is 45304333. The next prime is 45304397. The reversal of 45304390 is 9340354.

It is a super-3 number, since 3×45304390³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45304397) 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, 31195 + ... + 32614.

It is an arithmetic number, because the mean of its divisors is an integer number (5168610).

Almost surely, 2^45304390 is an apocalyptic number.

45304390 is a deficient number, since it is larger than the sum of its proper divisors (37393370).

45304390 is a wasteful number, since it uses less digits than its factorization.

45304390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63887.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 45304390 is about 6730.8535862846. The cubic root of 45304390 is about 356.4895161650.

The spelling of 45304390 in words is "forty-five million, three hundred four thousand, three hundred ninety".