45184331 has 4 divisors (see below), whose sum is σ = 45858792. Its totient is φ = 44509872.

The previous prime is 45184327. The next prime is 45184339. The reversal of 45184331 is 13348154.

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 45184331 - 2² = 45184327 is a prime.

It is a super-2 number, since 2×45184331² = 4083247535835122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45184294 and 45184303.

It is not an unprimeable number, because it can be changed into a prime (45184339) 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, 337130 + ... + 337263.

It is an arithmetic number, because the mean of its divisors is an integer number (11464698).

Almost surely, 2^45184331 is an apocalyptic number.

45184331 is a deficient number, since it is larger than the sum of its proper divisors (674461).

45184331 is an equidigital number, since it uses as much as digits as its factorization.

45184331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674460.

The product of its digits is 5760, while the sum is 29.

The square root of 45184331 is about 6721.9291129853. The cubic root of 45184331 is about 356.1743323031.

The spelling of 45184331 in words is "forty-five million, one hundred eighty-four thousand, three hundred thirty-one".