45909133 has 4 divisors (see below), whose sum is σ = 45928060. Its totient is φ = 45890208.

The previous prime is 45909121. The next prime is 45909167. The reversal of 45909133 is 33190954.

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 21178404 + 24730729 = 4602^2 + 4973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45909133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45909733) 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, 5178 + ... + 10891.

It is an arithmetic number, because the mean of its divisors is an integer number (11482015).

Almost surely, 2^45909133 is an apocalyptic number.

It is an amenable number.

45909133 is a deficient number, since it is larger than the sum of its proper divisors (18927).

45909133 is a wasteful number, since it uses less digits than its factorization.

45909133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18926.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 45909133 is about 6775.6278675854. The cubic root of 45909133 is about 358.0687034586.

The spelling of 45909133 in words is "forty-five million, nine hundred nine thousand, one hundred thirty-three".