45845399 has 2 divisors, whose sum is σ = 45845400. Its totient is φ = 45845398.

The previous prime is 45845389. The next prime is 45845407. The reversal of 45845399 is 99354854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45845399 - 2⁴ = 45845383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45845369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22922699 + 22922700.

It is an arithmetic number, because the mean of its divisors is an integer number (22922700).

Almost surely, 2^45845399 is an apocalyptic number.

45845399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45845399 is an equidigital number, since it uses as much as digits as its factorization.

45845399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 47.

The square root of 45845399 is about 6770.9230537645. The cubic root of 45845399 is about 357.9029287496.

The spelling of 45845399 in words is "forty-five million, eight hundred forty-five thousand, three hundred ninety-nine".