45449399 has 2 divisors, whose sum is σ = 45449400. Its totient is φ = 45449398.

The previous prime is 45449333. The next prime is 45449473. The reversal of 45449399 is 99394454.

45449399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45449399 is a prime.

It is a super-2 number, since 2×45449399² = 4131295738922402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45449099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22724699 + 22724700.

It is an arithmetic number, because the mean of its divisors is an integer number (22724700).

Almost surely, 2^45449399 is an apocalyptic number.

45449399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45449399 is an equidigital number, since it uses as much as digits as its factorization.

45449399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 45449399 is about 6741.6169425443. The cubic root of 45449399 is about 356.8694582438.

The spelling of 45449399 in words is "forty-five million, four hundred forty-nine thousand, three hundred ninety-nine".