45289930 has 32 divisors (see below), whose sum is σ = 94454784. Its totient is φ = 15313536.

The previous prime is 45289913. The next prime is 45289957. The reversal of 45289930 is 3998254.

It is a happy number.

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, 679 + ... + 9541.

It is an arithmetic number, because the mean of its divisors is an integer number (2951712).

Almost surely, 2^45289930 is an apocalyptic number.

45289930 is an abundant number, since it is smaller than the sum of its proper divisors (49164854).

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

45289930 is a wasteful number, since it uses less digits than its factorization.

45289930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8950.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 45289930 is about 6729.7793425936. The cubic root of 45289930 is about 356.4515846905.

It can be divided in two parts, 452899 and 30, that added together give a square (452929 = 673²).

The spelling of 45289930 in words is "forty-five million, two hundred eighty-nine thousand, nine hundred thirty".