45240557 has 4 divisors (see below), whose sum is σ = 45270720. Its totient is φ = 45210396.

The previous prime is 45240541. The next prime is 45240571. The reversal of 45240557 is 75504254.

45240557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45240557 - 2⁴ = 45240541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45243557) 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 in 3 ways as a sum of consecutive naturals, for example, 12707 + ... + 15872.

It is an arithmetic number, because the mean of its divisors is an integer number (11317680).

Almost surely, 2^45240557 is an apocalyptic number.

It is an amenable number.

45240557 is a deficient number, since it is larger than the sum of its proper divisors (30163).

45240557 is a wasteful number, since it uses less digits than its factorization.

45240557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30162.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 45240557 is about 6726.1100942521. The cubic root of 45240557 is about 356.3220085485.

The spelling of 45240557 in words is "forty-five million, two hundred forty thousand, five hundred fifty-seven".