147283247 has 2 divisors, whose sum is σ = 147283248. Its totient is φ = 147283246.

The previous prime is 147283243. The next prime is 147283303. The reversal of 147283247 is 742382741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147283247 - 2² = 147283243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147283247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147283243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73641623 + 73641624.

It is an arithmetic number, because the mean of its divisors is an integer number (73641624).

Almost surely, 2^147283247 is an apocalyptic number.

147283247 is a deficient number, since it is larger than the sum of its proper divisors (1).

147283247 is an equidigital number, since it uses as much as digits as its factorization.

147283247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The square root of 147283247 is about 12136.0309409625. The cubic root of 147283247 is about 528.1019648788.

The spelling of 147283247 in words is "one hundred forty-seven million, two hundred eighty-three thousand, two hundred forty-seven".