45444330 has 24 divisors (see below), whose sum is σ = 118155492. Its totient is φ = 12118464.

The previous prime is 45444319. The next prime is 45444361. The reversal of 45444330 is 3344454.

It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 3249 = 6741^2 + 57^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45444294 and 45444303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252379 + ... + 252558.

Almost surely, 2^45444330 is an apocalyptic number.

45444330 is an abundant number, since it is smaller than the sum of its proper divisors (72711162).

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

45444330 is a wasteful number, since it uses less digits than its factorization.

45444330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504950 (or 504947 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 45444330 is about 6741.2409836765. The cubic root of 45444330 is about 356.8561904590.

Adding to 45444330 its reverse (3344454), we get a palindrome (48788784).

The spelling of 45444330 in words is "forty-five million, four hundred forty-four thousand, three hundred thirty".