45446419 has 2 divisors, whose sum is σ = 45446420. Its totient is φ = 45446418.

The previous prime is 45446407. The next prime is 45446437. The reversal of 45446419 is 91464454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45446419 is a prime.

It is a super-2 number, since 2×45446419² = 4130753999847122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45446449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22723209 + 22723210.

It is an arithmetic number, because the mean of its divisors is an integer number (22723210).

Almost surely, 2^45446419 is an apocalyptic number.

45446419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45446419 is an equidigital number, since it uses as much as digits as its factorization.

45446419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 45446419 is about 6741.3959236941. The cubic root of 45446419 is about 356.8616584030.

The spelling of 45446419 in words is "forty-five million, four hundred forty-six thousand, four hundred nineteen".