45091075 has 12 divisors (see below), whose sum is σ = 56969568. Its totient is φ = 35391200.

The previous prime is 45091073. The next prime is 45091097. The reversal of 45091075 is 57019054.

It is not a de Polignac number, because 45091075 - 2¹ = 45091073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45091073) 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, 15691 + ... + 18340.

It is an arithmetic number, because the mean of its divisors is an integer number (4747464).

Almost surely, 2^45091075 is an apocalyptic number.

45091075 is a deficient number, since it is larger than the sum of its proper divisors (11878493).

45091075 is a wasteful number, since it uses less digits than its factorization.

45091075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34094 (or 34089 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 45091075 is about 6714.9888309661. The cubic root of 45091075 is about 355.9291273089.

The spelling of 45091075 in words is "forty-five million, ninety-one thousand, seventy-five".