45043399 has 2 divisors, whose sum is σ = 45043400. Its totient is φ = 45043398.

The previous prime is 45043337. The next prime is 45043417. The reversal of 45043399 is 99334054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45043399 - 2¹¹ = 45041351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45043099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22521699 + 22521700.

It is an arithmetic number, because the mean of its divisors is an integer number (22521700).

Almost surely, 2^45043399 is an apocalyptic number.

45043399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45043399 is an equidigital number, since it uses as much as digits as its factorization.

45043399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 45043399 is about 6711.4379234259. The cubic root of 45043399 is about 355.8036386079.

The spelling of 45043399 in words is "forty-five million, forty-three thousand, three hundred ninety-nine".