45002244 has 24 divisors (see below), whose sum is σ = 120006208. Its totient is φ = 12857760.

The previous prime is 45002239. The next prime is 45002257. The reversal of 45002244 is 44220054.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 45002244.

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, 267787 + ... + 267954.

Almost surely, 2^45002244 is an apocalyptic number.

It is an amenable number.

45002244 is an abundant number, since it is smaller than the sum of its proper divisors (75003964).

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

45002244 is a wasteful number, since it uses less digits than its factorization.

45002244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535755 (or 535753 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 45002244 is about 6708.3711882990. The cubic root of 45002244 is about 355.6952426978.

Adding to 45002244 its reverse (44220054), we get a palindrome (89222298).

The spelling of 45002244 in words is "forty-five million, two thousand, two hundred forty-four".