45165291 has 8 divisors (see below), whose sum is σ = 60392400. Its totient is φ = 30024192.

The previous prime is 45165287. The next prime is 45165293. The reversal of 45165291 is 19256154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45165291 - 2² = 45165287 is a prime.

It is a super-2 number, since 2×45165291² = 4079807022229362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45165293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20266 + ... + 22383.

It is an arithmetic number, because the mean of its divisors is an integer number (7549050).

Almost surely, 2^45165291 is an apocalyptic number.

45165291 is a deficient number, since it is larger than the sum of its proper divisors (15227109).

45165291 is a wasteful number, since it uses less digits than its factorization.

45165291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43005.

The product of its digits is 10800, while the sum is 33.

The square root of 45165291 is about 6720.5127036559. The cubic root of 45165291 is about 356.1242964322.

The spelling of 45165291 in words is "forty-five million, one hundred sixty-five thousand, two hundred ninety-one".