146675381 has 2 divisors, whose sum is σ = 146675382. Its totient is φ = 146675380.

The previous prime is 146675339. The next prime is 146675407. The reversal of 146675381 is 183576641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125238481 + 21436900 = 11191^2 + 4630^2 .

It is a cyclic number.

It is not a de Polignac number, because 146675381 - 2⁶ = 146675317 is a prime.

It is a super-2 number, since 2×146675381² = 43027334782990322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146675311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73337690 + 73337691.

It is an arithmetic number, because the mean of its divisors is an integer number (73337691).

Almost surely, 2^146675381 is an apocalyptic number.

It is an amenable number.

146675381 is a deficient number, since it is larger than the sum of its proper divisors (1).

146675381 is an equidigital number, since it uses as much as digits as its factorization.

146675381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 146675381 is about 12110.9611922423. The cubic root of 146675381 is about 527.3744372945.

The spelling of 146675381 in words is "one hundred forty-six million, six hundred seventy-five thousand, three hundred eighty-one".