146056331 has 2 divisors, whose sum is σ = 146056332. Its totient is φ = 146056330.

The previous prime is 146056291. The next prime is 146056343. The reversal of 146056331 is 133650641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146056331 is a prime.

It is a super-2 number, since 2×146056331² = 42664903650363122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146056294 and 146056303.

It is not a weakly prime, because it can be changed into another prime (146056381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73028165 + 73028166.

It is an arithmetic number, because the mean of its divisors is an integer number (73028166).

Almost surely, 2^146056331 is an apocalyptic number.

146056331 is a deficient number, since it is larger than the sum of its proper divisors (1).

146056331 is an equidigital number, since it uses as much as digits as its factorization.

146056331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 146056331 is about 12085.3767421624. The cubic root of 146056331 is about 526.6314552560.

The spelling of 146056331 in words is "one hundred forty-six million, fifty-six thousand, three hundred thirty-one".