45826381 has 2 divisors, whose sum is σ = 45826382. Its totient is φ = 45826380.

The previous prime is 45826369. The next prime is 45826481. The reversal of 45826381 is 18362854.

It is a happy number.

45826381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36796356 + 9030025 = 6066^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 45826381 - 2⁵ = 45826349 is a prime.

It is a super-2 number, since 2×45826381² = 4200114391114322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2765188 and since 45826381 and 2765188 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45826381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45826331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22913190 + 22913191.

It is an arithmetic number, because the mean of its divisors is an integer number (22913191).

Almost surely, 2^45826381 is an apocalyptic number.

It is an amenable number.

45826381 is a deficient number, since it is larger than the sum of its proper divisors (1).

45826381 is an equidigital number, since it uses as much as digits as its factorization.

45826381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 45826381 is about 6769.5185205449. The cubic root of 45826381 is about 357.8534324028.

The spelling of 45826381 in words is "forty-five million, eight hundred twenty-six thousand, three hundred eighty-one".