44245143 has 16 divisors (see below), whose sum is σ = 65721600. Its totient is φ = 29418840.

The previous prime is 44245139. The next prime is 44245163. The reversal of 44245143 is 34154244.

It is a happy number.

It is not a de Polignac number, because 44245143 - 2² = 44245139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44245133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9358 + ... + 13268.

It is an arithmetic number, because the mean of its divisors is an integer number (4107600).

Almost surely, 2^44245143 is an apocalyptic number.

44245143 is a deficient number, since it is larger than the sum of its proper divisors (21476457).

44245143 is a wasteful number, since it uses less digits than its factorization.

44245143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4333 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 44245143 is about 6651.7022633308. The cubic root of 44245143 is about 353.6892561776.

Adding to 44245143 its reverse (34154244), we get a palindrome (78399387).

The spelling of 44245143 in words is "forty-four million, two hundred forty-five thousand, one hundred forty-three".