44657149 has 2 divisors, whose sum is σ = 44657150. Its totient is φ = 44657148.

The previous prime is 44657131. The next prime is 44657183. The reversal of 44657149 is 94175644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26594649 + 18062500 = 5157^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 44657149 - 2⁷ = 44657021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44657189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22328574 + 22328575.

It is an arithmetic number, because the mean of its divisors is an integer number (22328575).

Almost surely, 2^44657149 is an apocalyptic number.

It is an amenable number.

44657149 is a deficient number, since it is larger than the sum of its proper divisors (1).

44657149 is an equidigital number, since it uses as much as digits as its factorization.

44657149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 44657149 is about 6682.6004668841. The cubic root of 44657149 is about 354.7837047823.

The spelling of 44657149 in words is "forty-four million, six hundred fifty-seven thousand, one hundred forty-nine".