45419399 has 2 divisors, whose sum is σ = 45419400. Its totient is φ = 45419398.

The previous prime is 45419383. The next prime is 45419449. The reversal of 45419399 is 99391454.

It is a happy number.

45419399 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 not a de Polignac number, because 45419399 - 2⁴ = 45419383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45419369) 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, 22709699 + 22709700.

It is an arithmetic number, because the mean of its divisors is an integer number (22709700).

Almost surely, 2^45419399 is an apocalyptic number.

45419399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45419399 is an equidigital number, since it uses as much as digits as its factorization.

45419399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The square root of 45419399 is about 6739.3915897505. The cubic root of 45419399 is about 356.7909207901.

It can be divided in two parts, 45419 and 399, that multiplied together give a palindrome (18122181).

The spelling of 45419399 in words is "forty-five million, four hundred nineteen thousand, three hundred ninety-nine".