45441994 has 16 divisors (see below), whose sum is σ = 75391848. Its totient is φ = 20405952.

The previous prime is 45441983. The next prime is 45442009. The reversal of 45441994 is 49914454.

It can be written as a sum of positive squares in 4 ways, for example, as 26388769 + 19053225 = 5137^2 + 4365^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22657 + ... + 24580.

Almost surely, 2^45441994 is an apocalyptic number.

45441994 is a deficient number, since it is larger than the sum of its proper divisors (29949854).

45441994 is a wasteful number, since it uses less digits than its factorization.

45441994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47289.

The product of its digits is 103680, while the sum is 40.

The square root of 45441994 is about 6741.0677195827. The cubic root of 45441994 is about 356.8500757956.

The spelling of 45441994 in words is "forty-five million, four hundred forty-one thousand, nine hundred ninety-four".