45419449 has 2 divisors, whose sum is σ = 45419450. Its totient is φ = 45419448.

The previous prime is 45419399. The next prime is 45419471. The reversal of 45419449 is 94491454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 435600 = 6707^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 45419449 - 2¹³ = 45411257 is a prime.

It is not a weakly prime, because it can be changed into another prime (45414449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22709724 + 22709725.

It is an arithmetic number, because the mean of its divisors is an integer number (22709725).

Almost surely, 2^45419449 is an apocalyptic number.

It is an amenable number.

45419449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45419449 is an equidigital number, since it uses as much as digits as its factorization.

45419449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 45419449 is about 6739.3952992832. The cubic root of 45419449 is about 356.7910517146.

The spelling of 45419449 in words is "forty-five million, four hundred nineteen thousand, four hundred forty-nine".