44445546 has 12 divisors (see below), whose sum is σ = 96298722. Its totient is φ = 14815176.

The previous prime is 44445529. The next prime is 44445559. The reversal of 44445546 is 64554444.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 21261321 = 4815^2 + 4611^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44445546.

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, 1234581 + ... + 1234616.

Almost surely, 2^44445546 is an apocalyptic number.

44445546 is an abundant number, since it is smaller than the sum of its proper divisors (51853176).

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

44445546 is a wasteful number, since it uses less digits than its factorization.

44445546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469205 (or 2469202 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 44445546 is about 6666.7492828214. The cubic root of 44445546 is about 354.2224494803. Note that the first 3 decimals are identical.

The spelling of 44445546 in words is "forty-four million, four hundred forty-five thousand, five hundred forty-six".