45066557 has 4 divisors (see below), whose sum is σ = 45255360. Its totient is φ = 44877756.

The previous prime is 45066533. The next prime is 45066559. The reversal of 45066557 is 75566054.

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 45066557 - 2²² = 40872253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45066557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45066559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94043 + ... + 94520.

It is an arithmetic number, because the mean of its divisors is an integer number (11313840).

Almost surely, 2^45066557 is an apocalyptic number.

It is an amenable number.

45066557 is a deficient number, since it is larger than the sum of its proper divisors (188803).

45066557 is a wasteful number, since it uses less digits than its factorization.

45066557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188802.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 45066557 is about 6713.1629653987. The cubic root of 45066557 is about 355.8646041742.

The spelling of 45066557 in words is "forty-five million, sixty-six thousand, five hundred fifty-seven".