44045257 has 2 divisors, whose sum is σ = 44045258. Its totient is φ = 44045256.

The previous prime is 44045231. The next prime is 44045263. The reversal of 44045257 is 75254044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40908816 + 3136441 = 6396^2 + 1771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44045257 is a prime.

It is not a weakly prime, because it can be changed into another prime (44045557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22022628 + 22022629.

It is an arithmetic number, because the mean of its divisors is an integer number (22022629).

Almost surely, 2^44045257 is an apocalyptic number.

It is an amenable number.

44045257 is a deficient number, since it is larger than the sum of its proper divisors (1).

44045257 is an equidigital number, since it uses as much as digits as its factorization.

44045257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 44045257 is about 6636.6600786842. The cubic root of 44045257 is about 353.1558321892.

The spelling of 44045257 in words is "forty-four million, forty-five thousand, two hundred fifty-seven".