147330457 has 2 divisors, whose sum is σ = 147330458. Its totient is φ = 147330456.

The previous prime is 147330439. The next prime is 147330481. The reversal of 147330457 is 754033741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147282496 + 47961 = 12136^2 + 219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147330457 is a prime.

It is not a weakly prime, because it can be changed into another prime (147330437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73665228 + 73665229.

It is an arithmetic number, because the mean of its divisors is an integer number (73665229).

Almost surely, 2^147330457 is an apocalyptic number.

It is an amenable number.

147330457 is a deficient number, since it is larger than the sum of its proper divisors (1).

147330457 is an equidigital number, since it uses as much as digits as its factorization.

147330457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 147330457 is about 12137.9758197156. The cubic root of 147330457 is about 528.1583845801.

The spelling of 147330457 in words is "one hundred forty-seven million, three hundred thirty thousand, four hundred fifty-seven".