245255147 has 2 divisors, whose sum is σ = 245255148. Its totient is φ = 245255146.

The previous prime is 245255119. The next prime is 245255149. The reversal of 245255147 is 741552542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245255147 - 2⁶ = 245255083 is a prime.

Together with 245255149, 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 (245255149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122627573 + 122627574.

It is an arithmetic number, because the mean of its divisors is an integer number (122627574).

Almost surely, 2^245255147 is an apocalyptic number.

245255147 is a deficient number, since it is larger than the sum of its proper divisors (1).

245255147 is an equidigital number, since it uses as much as digits as its factorization.

245255147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56000, while the sum is 35.

The square root of 245255147 is about 15660.6240935666. The cubic root of 245255147 is about 625.9496152121.

The spelling of 245255147 in words is "two hundred forty-five million, two hundred fifty-five thousand, one hundred forty-seven".