45442244 has 6 divisors (see below), whose sum is σ = 79523934. Its totient is φ = 22721120.

The previous prime is 45442157. The next prime is 45442277. The reversal of 45442244 is 44224454.

It can be written as a sum of positive squares in only one way, i.e., 37945600 + 7496644 = 6160^2 + 2738^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5680277 + ... + 5680284.

It is an arithmetic number, because the mean of its divisors is an integer number (13253989).

Almost surely, 2^45442244 is an apocalyptic number.

It is an amenable number.

45442244 is a deficient number, since it is larger than the sum of its proper divisors (34081690).

45442244 is a wasteful number, since it uses less digits than its factorization.

45442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360565 (or 11360563 counting only the distinct ones).

The product of its digits is 20480, while the sum is 29.

The square root of 45442244 is about 6741.0862626138. The cubic root of 45442244 is about 356.8507302002.

Adding to 45442244 its reverse (44224454), we get a palindrome (89666698).

The spelling of 45442244 in words is "forty-five million, four hundred forty-two thousand, two hundred forty-four".