44013145 has 24 divisors (see below), whose sum is σ = 60596928. Its totient is φ = 30608160.

The previous prime is 44013127. The next prime is 44013163. The reversal of 44013145 is 54131044.

It is an interprime number because it is at equal distance from previous prime (44013127) and next prime (44013163).

It is a de Polignac number, because none of the positive numbers 2^k-44013145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12334 + ... + 15496.

It is an arithmetic number, because the mean of its divisors is an integer number (2524872).

Almost surely, 2^44013145 is an apocalyptic number.

It is an amenable number.

44013145 is a deficient number, since it is larger than the sum of its proper divisors (16583783).

44013145 is a wasteful number, since it uses less digits than its factorization.

44013145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 3202 counting only the distinct ones).

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

The square root of 44013145 is about 6634.2403483745. The cubic root of 44013145 is about 353.0699864177.

Adding to 44013145 its reverse (54131044), we get a palindrome (98144189).

The spelling of 44013145 in words is "forty-four million, thirteen thousand, one hundred forty-five".