45066257 has 4 divisors (see below), whose sum is σ = 46165476. Its totient is φ = 43967040.

The previous prime is 45066211. The next prime is 45066283. The reversal of 45066257 is 75266054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5740816 + 39325441 = 2396^2 + 6271^2 .

It is a cyclic number.

It is not a de Polignac number, because 45066257 - 2⁸ = 45066001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45066457) 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, 549548 + ... + 549629.

It is an arithmetic number, because the mean of its divisors is an integer number (11541369).

Almost surely, 2^45066257 is an apocalyptic number.

It is an amenable number.

45066257 is a deficient number, since it is larger than the sum of its proper divisors (1099219).

45066257 is a wasteful number, since it uses less digits than its factorization.

45066257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099218.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 45066257 is about 6713.1406211996. The cubic root of 45066257 is about 355.8638145302.

The spelling of 45066257 in words is "forty-five million, sixty-six thousand, two hundred fifty-seven".