44145031 has 12 divisors (see below), whose sum is σ = 52079760. Its totient is φ = 37302720.

The previous prime is 44145011. The next prime is 44145041. The reversal of 44145031 is 13054144.

It is not a de Polignac number, because 44145031 - 2⁹ = 44144519 is a prime.

It is a super-2 number, since 2×44145031² = 3897567523981922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44144993 and 44145011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2866 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (4339980).

Almost surely, 2^44145031 is an apocalyptic number.

44145031 is a deficient number, since it is larger than the sum of its proper divisors (7934729).

44145031 is a wasteful number, since it uses less digits than its factorization.

44145031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12774 (or 12767 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 44145031 is about 6644.1727099768. The cubic root of 44145031 is about 353.4222944583.

Adding to 44145031 its reverse (13054144), we get a palindrome (57199175).

The spelling of 44145031 in words is "forty-four million, one hundred forty-five thousand, thirty-one".