147868093 has 2 divisors, whose sum is σ = 147868094. Its totient is φ = 147868092.

The previous prime is 147868067. The next prime is 147868103. The reversal of 147868093 is 390868741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86825124 + 61042969 = 9318^2 + 7813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147868093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147868043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73934046 + 73934047.

It is an arithmetic number, because the mean of its divisors is an integer number (73934047).

Almost surely, 2^147868093 is an apocalyptic number.

It is an amenable number.

147868093 is a deficient number, since it is larger than the sum of its proper divisors (1).

147868093 is an equidigital number, since it uses as much as digits as its factorization.

147868093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 147868093 is about 12160.1025077916. The cubic root of 147868093 is about 528.8000537950.

The spelling of 147868093 in words is "one hundred forty-seven million, eight hundred sixty-eight thousand, ninety-three".