45329181 has 16 divisors (see below), whose sum is σ = 63522624. Its totient is φ = 28715904.

The previous prime is 45329153. The next prime is 45329189. The reversal of 45329181 is 18192354.

It is not a de Polignac number, because 45329181 - 2⁹ = 45328669 is a prime.

It is a super-2 number, since 2×45329181² = 4109469300261522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45329189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25 + ... + 9521.

It is an arithmetic number, because the mean of its divisors is an integer number (3970164).

Almost surely, 2^45329181 is an apocalyptic number.

It is an amenable number.

45329181 is a deficient number, since it is larger than the sum of its proper divisors (18193443).

45329181 is a wasteful number, since it uses less digits than its factorization.

45329181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580.

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

The square root of 45329181 is about 6732.6949284815. The cubic root of 45329181 is about 356.5545291439.

The spelling of 45329181 in words is "forty-five million, three hundred twenty-nine thousand, one hundred eighty-one".