44574557 has 2 divisors, whose sum is σ = 44574558. Its totient is φ = 44574556.

The previous prime is 44574539. The next prime is 44574571. The reversal of 44574557 is 75547544.

44574557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25512601 + 19061956 = 5051^2 + 4366^2 .

It is a cyclic number.

It is not a de Polignac number, because 44574557 - 2¹⁰ = 44573533 is a prime.

It is a super-2 number, since 2×44574557² = 3973782263492498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44574577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22287278 + 22287279.

It is an arithmetic number, because the mean of its divisors is an integer number (22287279).

Almost surely, 2^44574557 is an apocalyptic number.

It is an amenable number.

44574557 is a deficient number, since it is larger than the sum of its proper divisors (1).

44574557 is an equidigital number, since it uses as much as digits as its factorization.

44574557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392000, while the sum is 41.

The square root of 44574557 is about 6676.4179767297. The cubic root of 44574557 is about 354.5648493504.

The spelling of 44574557 in words is "forty-four million, five hundred seventy-four thousand, five hundred fifty-seven".