57845147 has 2 divisors, whose sum is σ = 57845148. Its totient is φ = 57845146.

The previous prime is 57845129. The next prime is 57845149. The reversal of 57845147 is 74154875.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57845147 - 2⁶ = 57845083 is a prime.

It is a super-2 number, since 2×57845147² = 6692122062903218, which contains 22 as substring.

Together with 57845149, 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 (57845149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28922573 + 28922574.

It is an arithmetic number, because the mean of its divisors is an integer number (28922574).

Almost surely, 2^57845147 is an apocalyptic number.

57845147 is a deficient number, since it is larger than the sum of its proper divisors (1).

57845147 is an equidigital number, since it uses as much as digits as its factorization.

57845147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 41.

The square root of 57845147 is about 7605.5997133691. The cubic root of 57845147 is about 386.7428645743.

The spelling of 57845147 in words is "fifty-seven million, eight hundred forty-five thousand, one hundred forty-seven".