45919427 has 2 divisors, whose sum is σ = 45919428. Its totient is φ = 45919426.

The previous prime is 45919421. The next prime is 45919429. The reversal of 45919427 is 72491954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45919427 - 2¹⁰ = 45918403 is a prime.

Together with 45919429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45919421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22959713 + 22959714.

It is an arithmetic number, because the mean of its divisors is an integer number (22959714).

Almost surely, 2^45919427 is an apocalyptic number.

45919427 is a deficient number, since it is larger than the sum of its proper divisors (1).

45919427 is an equidigital number, since it uses as much as digits as its factorization.

45919427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 45919427 is about 6776.3874594064. The cubic root of 45919427 is about 358.0954641744.

The spelling of 45919427 in words is "forty-five million, nine hundred nineteen thousand, four hundred twenty-seven".