147394297 has 2 divisors, whose sum is σ = 147394298. Its totient is φ = 147394296.

The previous prime is 147394279. The next prime is 147394333. The reversal of 147394297 is 792493741.

147394297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (147394279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146023056 + 1371241 = 12084^2 + 1171^2 .

It is a cyclic number.

It is not a de Polignac number, because 147394297 - 2¹¹ = 147392249 is a prime.

It is not a weakly prime, because it can be changed into another prime (147394207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73697148 + 73697149.

It is an arithmetic number, because the mean of its divisors is an integer number (73697149).

Almost surely, 2^147394297 is an apocalyptic number.

It is an amenable number.

147394297 is a deficient number, since it is larger than the sum of its proper divisors (1).

147394297 is an equidigital number, since it uses as much as digits as its factorization.

147394297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 147394297 is about 12140.6052979248. The cubic root of 147394297 is about 528.2346592872.

The spelling of 147394297 in words is "one hundred forty-seven million, three hundred ninety-four thousand, two hundred ninety-seven".