45943291 has 4 divisors (see below), whose sum is σ = 46126584. Its totient is φ = 45760000.

The previous prime is 45943283. The next prime is 45943297. The reversal of 45943291 is 19234954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45943291 - 2³ = 45943283 is a prime.

It is a super-2 number, since 2×45943291² = 4221571975821362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45943291.

It is not an unprimeable number, because it can be changed into a prime (45943297) 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, 91270 + ... + 91771.

It is an arithmetic number, because the mean of its divisors is an integer number (11531646).

Almost surely, 2^45943291 is an apocalyptic number.

45943291 is a deficient number, since it is larger than the sum of its proper divisors (183293).

45943291 is a wasteful number, since it uses less digits than its factorization.

45943291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183292.

The product of its digits is 38880, while the sum is 37.

The square root of 45943291 is about 6778.1480509059. The cubic root of 45943291 is about 358.1574866543.

The spelling of 45943291 in words is "forty-five million, nine hundred forty-three thousand, two hundred ninety-one".