44402146 has 12 divisors (see below), whose sum is σ = 68456178. Its totient is φ = 21599712.

The previous prime is 44402129. The next prime is 44402153. The reversal of 44402146 is 64120444.

It can be written as a sum of positive squares in 3 ways, for example, as 42185025 + 2217121 = 6495^2 + 1489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44402146.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5371 + ... + 10846.

Almost surely, 2^44402146 is an apocalyptic number.

44402146 is a deficient number, since it is larger than the sum of its proper divisors (24054032).

44402146 is a wasteful number, since it uses less digits than its factorization.

44402146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16293 (or 16256 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 44402146 is about 6663.4935281727. The cubic root of 44402146 is about 354.1071153822.

The spelling of 44402146 in words is "forty-four million, four hundred two thousand, one hundred forty-six".