44898457 has 2 divisors, whose sum is σ = 44898458. Its totient is φ = 44898456.

The previous prime is 44898433. The next prime is 44898589. The reversal of 44898457 is 75489844.

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., 27081616 + 17816841 = 5204^2 + 4221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44898457 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44898457.

It is not a weakly prime, because it can be changed into another prime (44898857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22449228 + 22449229.

It is an arithmetic number, because the mean of its divisors is an integer number (22449229).

Almost surely, 2^44898457 is an apocalyptic number.

It is an amenable number.

44898457 is a deficient number, since it is larger than the sum of its proper divisors (1).

44898457 is an equidigital number, since it uses as much as digits as its factorization.

44898457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 49.

The square root of 44898457 is about 6700.6310896810. The cubic root of 44898457 is about 355.4215899860.

The spelling of 44898457 in words is "forty-four million, eight hundred ninety-eight thousand, four hundred fifty-seven".