45173331 has 48 divisors (see below), whose sum is σ = 77366016. Its totient is φ = 24867648.

The previous prime is 45173321. The next prime is 45173351. The reversal of 45173331 is 13337154.

It is not a de Polignac number, because 45173331 - 2⁵ = 45173299 is a prime.

It is a super-2 number, since 2×45173331² = 4081259667271122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45173295 and 45173304.

It is not an unprimeable number, because it can be changed into a prime (45173321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277056 + ... + 277218.

It is an arithmetic number, because the mean of its divisors is an integer number (1611792).

Almost surely, 2^45173331 is an apocalyptic number.

45173331 is a deficient number, since it is larger than the sum of its proper divisors (32192685).

45173331 is a wasteful number, since it uses less digits than its factorization.

45173331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 45173331 is about 6721.1108456862. The cubic root of 45173331 is about 356.1454267397.

The spelling of 45173331 in words is "forty-five million, one hundred seventy-three thousand, three hundred thirty-one".