45410391 has 24 divisors (see below), whose sum is σ = 71039696. Its totient is φ = 27786240.

The previous prime is 45410377. The next prime is 45410401. The reversal of 45410391 is 19301454.

It is not a de Polignac number, because 45410391 - 2⁷ = 45410263 is a prime.

It is a super-2 number, since 2×45410391² = 4124207221545762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45410341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21576 + ... + 23586.

Almost surely, 2^45410391 is an apocalyptic number.

45410391 is a deficient number, since it is larger than the sum of its proper divisors (25629305).

45410391 is a wasteful number, since it uses less digits than its factorization.

45410391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2220 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 45410391 is about 6738.7232470254. The cubic root of 45410391 is about 356.7673318598.

The spelling of 45410391 in words is "forty-five million, four hundred ten thousand, three hundred ninety-one".