45251577 has 24 divisors (see below), whose sum is σ = 76527360. Its totient is φ = 25225920.

The previous prime is 45251573. The next prime is 45251579. The reversal of 45251577 is 77515254.

It is not a de Polignac number, because 45251577 - 2² = 45251573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45251573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6177 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (3188640).

Almost surely, 2^45251577 is an apocalyptic number.

It is an amenable number.

45251577 is a deficient number, since it is larger than the sum of its proper divisors (31275783).

45251577 is a wasteful number, since it uses less digits than its factorization.

45251577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17573 (or 17570 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 45251577 is about 6726.9292400025. The cubic root of 45251577 is about 356.3509379724.

The spelling of 45251577 in words is "forty-five million, two hundred fifty-one thousand, five hundred seventy-seven".