44144001 has 16 divisors (see below), whose sum is σ = 71344320. Its totient is φ = 26753760.

The previous prime is 44143961. The next prime is 44144029. The reversal of 44144001 is 10044144.

It is not a de Polignac number, because 44144001 - 2⁷ = 44143873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44144501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74020 + ... + 74613.

It is an arithmetic number, because the mean of its divisors is an integer number (4459020).

Almost surely, 2^44144001 is an apocalyptic number.

It is an amenable number.

44144001 is a deficient number, since it is larger than the sum of its proper divisors (27200319).

44144001 is a wasteful number, since it uses less digits than its factorization.

44144001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148653 (or 148647 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 44144001 is about 6644.0951979935. The cubic root of 44144001 is about 353.4195457322.

Adding to 44144001 its reverse (10044144), we get a palindrome (54188145).

The spelling of 44144001 in words is "forty-four million, one hundred forty-four thousand, one".