146783473 has 2 divisors, whose sum is σ = 146783474. Its totient is φ = 146783472.

The previous prime is 146783443. The next prime is 146783479. The reversal of 146783473 is 374387641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146216464 + 567009 = 12092^2 + 753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146783473 is a prime.

It is not a weakly prime, because it can be changed into another prime (146783479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73391736 + 73391737.

It is an arithmetic number, because the mean of its divisors is an integer number (73391737).

Almost surely, 2^146783473 is an apocalyptic number.

It is an amenable number.

146783473 is a deficient number, since it is larger than the sum of its proper divisors (1).

146783473 is an equidigital number, since it uses as much as digits as its factorization.

146783473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The square root of 146783473 is about 12115.4229393777. The cubic root of 146783473 is about 527.5039545087.

The spelling of 146783473 in words is "one hundred forty-six million, seven hundred eighty-three thousand, four hundred seventy-three".