146497031 has 2 divisors, whose sum is σ = 146497032. Its totient is φ = 146497030.

The previous prime is 146497019. The next prime is 146497033. The reversal of 146497031 is 130794641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146497031 is a prime.

It is a super-2 number, since 2×146497031² = 42922760183629922, which contains 22 as substring.

Together with 146497033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146496982 and 146497000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146497033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73248515 + 73248516.

It is an arithmetic number, because the mean of its divisors is an integer number (73248516).

Almost surely, 2^146497031 is an apocalyptic number.

146497031 is a deficient number, since it is larger than the sum of its proper divisors (1).

146497031 is an equidigital number, since it uses as much as digits as its factorization.

146497031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 146497031 is about 12103.5957880293. The cubic root of 146497031 is about 527.1605968645.

The spelling of 146497031 in words is "one hundred forty-six million, four hundred ninety-seven thousand, thirty-one".