147630239 has 2 divisors, whose sum is σ = 147630240. Its totient is φ = 147630238.

The previous prime is 147630211. The next prime is 147630253. The reversal of 147630239 is 932036741.

147630239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (932036741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147630239 - 2²⁰ = 146581663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147630199 and 147630208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147630289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73815119 + 73815120.

It is an arithmetic number, because the mean of its divisors is an integer number (73815120).

Almost surely, 2^147630239 is an apocalyptic number.

147630239 is a deficient number, since it is larger than the sum of its proper divisors (1).

147630239 is an equidigital number, since it uses as much as digits as its factorization.

147630239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 147630239 is about 12150.3184731924. The cubic root of 147630239 is about 528.5163669278.

The spelling of 147630239 in words is "one hundred forty-seven million, six hundred thirty thousand, two hundred thirty-nine".