245383147 has 2 divisors, whose sum is σ = 245383148. Its totient is φ = 245383146.

The previous prime is 245383139. The next prime is 245383153. The reversal of 245383147 is 741383542.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245383147 - 2³ = 245383139 is a prime.

It is not a weakly prime, because it can be changed into another prime (245384147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122691573 + 122691574.

It is an arithmetic number, because the mean of its divisors is an integer number (122691574).

Almost surely, 2^245383147 is an apocalyptic number.

245383147 is a deficient number, since it is larger than the sum of its proper divisors (1).

245383147 is an equidigital number, since it uses as much as digits as its factorization.

245383147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 245383147 is about 15664.7102430910. The cubic root of 245383147 is about 626.0584917802.

The spelling of 245383147 in words is "two hundred forty-five million, three hundred eighty-three thousand, one hundred forty-seven".