45081559 has 2 divisors, whose sum is σ = 45081560. Its totient is φ = 45081558.

The previous prime is 45081527. The next prime is 45081563. The reversal of 45081559 is 95518054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45081559 - 2⁵ = 45081527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45031559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22540779 + 22540780.

It is an arithmetic number, because the mean of its divisors is an integer number (22540780).

Almost surely, 2^45081559 is an apocalyptic number.

45081559 is a deficient number, since it is larger than the sum of its proper divisors (1).

45081559 is an equidigital number, since it uses as much as digits as its factorization.

45081559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 45081559 is about 6714.2802294810. The cubic root of 45081559 is about 355.9040871735.

The spelling of 45081559 in words is "forty-five million, eighty-one thousand, five hundred fifty-nine".