45851181 has 8 divisors (see below), whose sum is σ = 61248864. Its totient is φ = 30510480.

The previous prime is 45851173. The next prime is 45851189. The reversal of 45851181 is 18115854.

It is an interprime number because it is at equal distance from previous prime (45851173) and next prime (45851189).

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

It is not a de Polignac number, because 45851181 - 2³ = 45851173 is a prime.

It is a super-2 number, since 2×45851181² = 4204661598189522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45851189) 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, 12330 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (7656108).

Almost surely, 2^45851181 is an apocalyptic number.

It is an amenable number.

45851181 is a deficient number, since it is larger than the sum of its proper divisors (15397683).

45851181 is a wasteful number, since it uses less digits than its factorization.

45851181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28491.

The product of its digits is 6400, while the sum is 33.

The square root of 45851181 is about 6771.3500131067. The cubic root of 45851181 is about 357.9179742997.

The spelling of 45851181 in words is "forty-five million, eight hundred fifty-one thousand, one hundred eighty-one".