45041391 has 6 divisors (see below), whose sum is σ = 65059800. Its totient is φ = 30027588.

The previous prime is 45041389. The next prime is 45041393. The reversal of 45041391 is 19314054.

It is an interprime number because it is at equal distance from previous prime (45041389) and next prime (45041393).

It is not a de Polignac number, because 45041391 - 2¹ = 45041389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45041393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2502291 + ... + 2502308.

It is an arithmetic number, because the mean of its divisors is an integer number (10843300).

Almost surely, 2^45041391 is an apocalyptic number.

45041391 is a deficient number, since it is larger than the sum of its proper divisors (20018409).

45041391 is a wasteful number, since it uses less digits than its factorization.

45041391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004605 (or 5004602 counting only the distinct ones).

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

The square root of 45041391 is about 6711.2883263946. The cubic root of 45041391 is about 355.7983513787.

The spelling of 45041391 in words is "forty-five million, forty-one thousand, three hundred ninety-one".