45424319 has 2 divisors, whose sum is σ = 45424320. Its totient is φ = 45424318.

The previous prime is 45424279. The next prime is 45424361. The reversal of 45424319 is 91342454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45424319 - 2¹² = 45420223 is a prime.

It is a super-2 number, since 2×45424319² = 4126737513227522, 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 (45424369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22712159 + 22712160.

It is an arithmetic number, because the mean of its divisors is an integer number (22712160).

Almost surely, 2^45424319 is an apocalyptic number.

45424319 is a deficient number, since it is larger than the sum of its proper divisors (1).

45424319 is an equidigital number, since it uses as much as digits as its factorization.

45424319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 45424319 is about 6739.7565979789. The cubic root of 45424319 is about 356.8038033027.

The spelling of 45424319 in words is "forty-five million, four hundred twenty-four thousand, three hundred nineteen".