45289730 has 32 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 17088192.

The previous prime is 45289723. The next prime is 45289753. The reversal of 45289730 is 3798254.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65969 + ... + 66651.

It is an arithmetic number, because the mean of its divisors is an integer number (2693250).

Almost surely, 2^45289730 is an apocalyptic number.

45289730 is a deficient number, since it is larger than the sum of its proper divisors (40894270).

45289730 is a wasteful number, since it uses less digits than its factorization.

45289730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 45289730 is about 6729.7644832490. The cubic root of 45289730 is about 356.4510599939.

The spelling of 45289730 in words is "forty-five million, two hundred eighty-nine thousand, seven hundred thirty".