45982381 has 2 divisors, whose sum is σ = 45982382. Its totient is φ = 45982380.

The previous prime is 45982373. The next prime is 45982397. The reversal of 45982381 is 18328954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45765225 + 217156 = 6765^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 45982381 - 2³ = 45982373 is a prime.

It is a super-2 number, since 2×45982381² = 4228758724858322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45989381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22991190 + 22991191.

It is an arithmetic number, because the mean of its divisors is an integer number (22991191).

Almost surely, 2^45982381 is an apocalyptic number.

It is an amenable number.

45982381 is a deficient number, since it is larger than the sum of its proper divisors (1).

45982381 is an equidigital number, since it uses as much as digits as its factorization.

45982381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 40.

The square root of 45982381 is about 6781.0309688129. The cubic root of 45982381 is about 358.2590350855.

The spelling of 45982381 in words is "forty-five million, nine hundred eighty-two thousand, three hundred eighty-one".