44149761 has 6 divisors (see below), whose sum is σ = 63771890. Its totient is φ = 29433168.

The previous prime is 44149747. The next prime is 44149783. The reversal of 44149761 is 16794144.

It can be written as a sum of positive squares in only one way, i.e., 27625536 + 16524225 = 5256^2 + 4065^2 .

It is not a de Polignac number, because 44149761 - 2¹⁰ = 44148737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44149361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2452756 + ... + 2452773.

Almost surely, 2^44149761 is an apocalyptic number.

It is an amenable number.

44149761 is a deficient number, since it is larger than the sum of its proper divisors (19622129).

44149761 is a wasteful number, since it uses less digits than its factorization.

44149761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905535 (or 4905532 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 44149761 is about 6644.5286514545. The cubic root of 44149761 is about 353.4349167000.

The spelling of 44149761 in words is "forty-four million, one hundred forty-nine thousand, seven hundred sixty-one".