147813049 has 2 divisors, whose sum is σ = 147813050. Its totient is φ = 147813048.

The previous prime is 147813037. The next prime is 147813139. The reversal of 147813049 is 940318741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142205625 + 5607424 = 11925^2 + 2368^2 .

It is an emirp because it is prime and its reverse (940318741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147813049 - 2¹⁷ = 147681977 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 147812999 and 147813017.

It is not a weakly prime, because it can be changed into another prime (147814049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73906524 + 73906525.

It is an arithmetic number, because the mean of its divisors is an integer number (73906525).

Almost surely, 2^147813049 is an apocalyptic number.

It is an amenable number.

147813049 is a deficient number, since it is larger than the sum of its proper divisors (1).

147813049 is an equidigital number, since it uses as much as digits as its factorization.

147813049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 147813049 is about 12157.8389938344. The cubic root of 147813049 is about 528.7344302561.

The spelling of 147813049 in words is "one hundred forty-seven million, eight hundred thirteen thousand, forty-nine".