45923181 has 8 divisors (see below), whose sum is σ = 62268960. Its totient is φ = 30096432.

The previous prime is 45923161. The next prime is 45923191. The reversal of 45923181 is 18132954.

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

It is not a de Polignac number, because 45923181 - 2¹³ = 45914989 is a prime.

It is a super-2 number, since 2×45923181² = 4217877106317522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45923161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129550 + ... + 129903.

It is an arithmetic number, because the mean of its divisors is an integer number (7783620).

Almost surely, 2^45923181 is an apocalyptic number.

It is an amenable number.

45923181 is a deficient number, since it is larger than the sum of its proper divisors (16345779).

45923181 is a wasteful number, since it uses less digits than its factorization.

45923181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259515.

The product of its digits is 8640, while the sum is 33.

The square root of 45923181 is about 6776.6644449906. The cubic root of 45923181 is about 358.1052222356.

The spelling of 45923181 in words is "forty-five million, nine hundred twenty-three thousand, one hundred eighty-one".