45190775 has 12 divisors (see below), whose sum is σ = 64042032. Its totient is φ = 30987840.

The previous prime is 45190771. The next prime is 45190841. The reversal of 45190775 is 57709154.

It is not a de Polignac number, because 45190775 - 2² = 45190771 is a prime.

It is a super-2 number, since 2×45190775² = 4084412290201250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45190771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128942 + ... + 129291.

It is an arithmetic number, because the mean of its divisors is an integer number (5336836).

Almost surely, 2^45190775 is an apocalyptic number.

45190775 is a deficient number, since it is larger than the sum of its proper divisors (18851257).

45190775 is a wasteful number, since it uses less digits than its factorization.

45190775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258250 (or 258245 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 45190775 is about 6722.4084225819. The cubic root of 45190775 is about 356.1912635287.

The spelling of 45190775 in words is "forty-five million, one hundred ninety thousand, seven hundred seventy-five".