44922149 has 2 divisors, whose sum is σ = 44922150. Its totient is φ = 44922148.

The previous prime is 44922139. The next prime is 44922161. The reversal of 44922149 is 94122944.

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., 35880100 + 9042049 = 5990^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 44922149 - 2⁸ = 44921893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44922139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22461074 + 22461075.

It is an arithmetic number, because the mean of its divisors is an integer number (22461075).

Almost surely, 2^44922149 is an apocalyptic number.

It is an amenable number.

44922149 is a deficient number, since it is larger than the sum of its proper divisors (1).

44922149 is an equidigital number, since it uses as much as digits as its factorization.

44922149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 44922149 is about 6702.3987497015. The cubic root of 44922149 is about 355.4840952343.

The spelling of 44922149 in words is "forty-four million, nine hundred twenty-two thousand, one hundred forty-nine".