44231749 has 2 divisors, whose sum is σ = 44231750. Its totient is φ = 44231748.

The previous prime is 44231741. The next prime is 44231777. The reversal of 44231749 is 94713244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23136100 + 21095649 = 4810^2 + 4593^2 .

It is a cyclic number.

It is not a de Polignac number, because 44231749 - 2³ = 44231741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44231741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22115874 + 22115875.

It is an arithmetic number, because the mean of its divisors is an integer number (22115875).

Almost surely, 2^44231749 is an apocalyptic number.

It is an amenable number.

44231749 is a deficient number, since it is larger than the sum of its proper divisors (1).

44231749 is an equidigital number, since it uses as much as digits as its factorization.

44231749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 44231749 is about 6650.6953771767. The cubic root of 44231749 is about 353.6535626778.

Subtracting from 44231749 its sum of digits (34), we obtain a triangular number (44231715 = T₉₄₀₅).

The spelling of 44231749 in words is "forty-four million, two hundred thirty-one thousand, seven hundred forty-nine".