45085193 has 4 divisors (see below), whose sum is σ = 45414420. Its totient is φ = 44755968.

The previous prime is 45085189. The next prime is 45085211. The reversal of 45085193 is 39158054.

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 17909824 + 27175369 = 4232^2 + 5213^2 .

It is a cyclic number.

It is not a de Polignac number, because 45085193 - 2² = 45085189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45085123) 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, 164408 + ... + 164681.

It is an arithmetic number, because the mean of its divisors is an integer number (11353605).

Almost surely, 2^45085193 is an apocalyptic number.

It is an amenable number.

45085193 is a deficient number, since it is larger than the sum of its proper divisors (329227).

45085193 is a wasteful number, since it uses less digits than its factorization.

45085193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329226.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 45085193 is about 6714.5508412700. The cubic root of 45085193 is about 355.9136499950.

The spelling of 45085193 in words is "forty-five million, eighty-five thousand, one hundred ninety-three".