147213943 has 2 divisors, whose sum is σ = 147213944. Its totient is φ = 147213942.

The previous prime is 147213907. The next prime is 147213949. The reversal of 147213943 is 349312741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147213943 - 2²¹ = 145116791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147213899 and 147213908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147213949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73606971 + 73606972.

It is an arithmetic number, because the mean of its divisors is an integer number (73606972).

Almost surely, 2^147213943 is an apocalyptic number.

147213943 is a deficient number, since it is larger than the sum of its proper divisors (1).

147213943 is an equidigital number, since it uses as much as digits as its factorization.

147213943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 147213943 is about 12133.1753057475. The cubic root of 147213943 is about 528.0191192476.

The spelling of 147213943 in words is "one hundred forty-seven million, two hundred thirteen thousand, nine hundred forty-three".