44645242 has 4 divisors (see below), whose sum is σ = 66967866. Its totient is φ = 22322620.

The previous prime is 44645203. The next prime is 44645243. The reversal of 44645242 is 24254644.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37197801 + 7447441 = 6099^2 + 2729^2 .

It is not an unprimeable number, because it can be changed into a prime (44645243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161309 + ... + 11161312.

Almost surely, 2^44645242 is an apocalyptic number.

44645242 is a deficient number, since it is larger than the sum of its proper divisors (22322624).

44645242 is a wasteful number, since it uses less digits than its factorization.

44645242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22322623.

The product of its digits is 30720, while the sum is 31.

The square root of 44645242 is about 6681.7095117941. The cubic root of 44645242 is about 354.7521698159.

Adding to 44645242 its reverse (24254644), we get a palindrome (68899886).

The spelling of 44645242 in words is "forty-four million, six hundred forty-five thousand, two hundred forty-two".