44145004 has 24 divisors (see below), whose sum is σ = 82494720. Its totient is φ = 20619984.

The previous prime is 44144941. The next prime is 44145007. The reversal of 44145004 is 40054144.

It is not an unprimeable number, because it can be changed into a prime (44145007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624 + ... + 9535.

It is an arithmetic number, because the mean of its divisors is an integer number (3437280).

Almost surely, 2^44145004 is an apocalyptic number.

It is an amenable number.

44145004 is a deficient number, since it is larger than the sum of its proper divisors (38349716).

44145004 is a wasteful number, since it uses less digits than its factorization.

44145004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229 (or 11227 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 44145004 is about 6644.1706781208. The cubic root of 44145004 is about 353.4222224048.

Adding to 44145004 its reverse (40054144), we get a palindrome (84199148).

The spelling of 44145004 in words is "forty-four million, one hundred forty-five thousand, four".