45057775 has 12 divisors (see below), whose sum is σ = 63853552. Its totient is φ = 30896640.

The previous prime is 45057767. The next prime is 45057821. The reversal of 45057775 is 57775054.

It is not a de Polignac number, because 45057775 - 2³ = 45057767 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 128562 + ... + 128911.

Almost surely, 2^45057775 is an apocalyptic number.

45057775 is a deficient number, since it is larger than the sum of its proper divisors (18795777).

45057775 is a wasteful number, since it uses less digits than its factorization.

45057775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257490 (or 257485 counting only the distinct ones).

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 45057775 is about 6712.5088454318. The cubic root of 45057775 is about 355.8414872099.

The spelling of 45057775 in words is "forty-five million, fifty-seven thousand, seven hundred seventy-five".