146782331 has 2 divisors, whose sum is σ = 146782332. Its totient is φ = 146782330.

The previous prime is 146782319. The next prime is 146782351. The reversal of 146782331 is 133287641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146782331 - 2¹⁰ = 146781307 is a prime.

It is a super-2 number, since 2×146782331² = 43090105387587122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146782291 and 146782300.

It is not a weakly prime, because it can be changed into another prime (146782351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73391165 + 73391166.

It is an arithmetic number, because the mean of its divisors is an integer number (73391166).

Almost surely, 2^146782331 is an apocalyptic number.

146782331 is a deficient number, since it is larger than the sum of its proper divisors (1).

146782331 is an equidigital number, since it uses as much as digits as its factorization.

146782331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 146782331 is about 12115.3758092764. The cubic root of 146782331 is about 527.5025864821.

The spelling of 146782331 in words is "one hundred forty-six million, seven hundred eighty-two thousand, three hundred thirty-one".