45438559 has 2 divisors, whose sum is σ = 45438560. Its totient is φ = 45438558.

The previous prime is 45438551. The next prime is 45438607. The reversal of 45438559 is 95583454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45438559 - 2³ = 45438551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45438551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22719279 + 22719280.

It is an arithmetic number, because the mean of its divisors is an integer number (22719280).

Almost surely, 2^45438559 is an apocalyptic number.

45438559 is a deficient number, since it is larger than the sum of its proper divisors (1).

45438559 is an equidigital number, since it uses as much as digits as its factorization.

45438559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 43.

The square root of 45438559 is about 6740.8129331706. The cubic root of 45438559 is about 356.8410840328.

The spelling of 45438559 in words is "forty-five million, four hundred thirty-eight thousand, five hundred fifty-nine".