45619393 has 2 divisors, whose sum is σ = 45619394. Its totient is φ = 45619392.

The previous prime is 45619369. The next prime is 45619433. The reversal of 45619393 is 39391654.

It is an a-pointer prime, because the next prime (45619433) can be obtained adding 45619393 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45603009 + 16384 = 6753^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 45619393 - 2²⁵ = 12064961 is a prime.

It is a super-2 number, since 2×45619393² = 4162258035376898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45619363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22809696 + 22809697.

It is an arithmetic number, because the mean of its divisors is an integer number (22809697).

Almost surely, 2^45619393 is an apocalyptic number.

It is an amenable number.

45619393 is a deficient number, since it is larger than the sum of its proper divisors (1).

45619393 is an equidigital number, since it uses as much as digits as its factorization.

45619393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 40.

The square root of 45619393 is about 6754.2129815397. The cubic root of 45619393 is about 357.3138366004.

The spelling of 45619393 in words is "forty-five million, six hundred nineteen thousand, three hundred ninety-three".