245284147 has 2 divisors, whose sum is σ = 245284148. Its totient is φ = 245284146.

The previous prime is 245284133. The next prime is 245284163. The reversal of 245284147 is 741482542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245284147 - 2¹¹ = 245282099 is a prime.

It is not a weakly prime, because it can be changed into another prime (245284187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122642073 + 122642074.

It is an arithmetic number, because the mean of its divisors is an integer number (122642074).

Almost surely, 2^245284147 is an apocalyptic number.

245284147 is a deficient number, since it is larger than the sum of its proper divisors (1).

245284147 is an equidigital number, since it uses as much as digits as its factorization.

245284147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 37.

The square root of 245284147 is about 15661.5499552247. The cubic root of 245284147 is about 625.9742858781.

The spelling of 245284147 in words is "two hundred forty-five million, two hundred eighty-four thousand, one hundred forty-seven".