147072643 has 2 divisors, whose sum is σ = 147072644. Its totient is φ = 147072642.

The previous prime is 147072631. The next prime is 147072671. The reversal of 147072643 is 346270741.

It is a weak prime.

It is an emirp because it is prime and its reverse (346270741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147072643 - 2⁹ = 147072131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147072599 and 147072608.

It is not a weakly prime, because it can be changed into another prime (147072613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73536321 + 73536322.

It is an arithmetic number, because the mean of its divisors is an integer number (73536322).

Almost surely, 2^147072643 is an apocalyptic number.

147072643 is a deficient number, since it is larger than the sum of its proper divisors (1).

147072643 is an equidigital number, since it uses as much as digits as its factorization.

147072643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 147072643 is about 12127.3510298004. The cubic root of 147072643 is about 527.8501294011.

The spelling of 147072643 in words is "one hundred forty-seven million, seventy-two thousand, six hundred forty-three".