45912557 has 2 divisors, whose sum is σ = 45912558. Its totient is φ = 45912556.

The previous prime is 45912551. The next prime is 45912571. The reversal of 45912557 is 75521954.

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., 45414121 + 498436 = 6739^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 45912557 - 2²⁰ = 44863981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45912557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45912551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22956278 + 22956279.

It is an arithmetic number, because the mean of its divisors is an integer number (22956279).

Almost surely, 2^45912557 is an apocalyptic number.

It is an amenable number.

45912557 is a deficient number, since it is larger than the sum of its proper divisors (1).

45912557 is an equidigital number, since it uses as much as digits as its factorization.

45912557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 38.

The square root of 45912557 is about 6775.8805331853. The cubic root of 45912557 is about 358.0776050771.

The spelling of 45912557 in words is "forty-five million, nine hundred twelve thousand, five hundred fifty-seven".