45840629 has 2 divisors, whose sum is σ = 45840630. Its totient is φ = 45840628.

The previous prime is 45840617. The next prime is 45840631. The reversal of 45840629 is 92604854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 4906225 = 6398^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 45840629 - 2¹² = 45836533 is a prime.

Together with 45840631, 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 = 45840592 and 45840601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45840649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22920314 + 22920315.

It is an arithmetic number, because the mean of its divisors is an integer number (22920315).

Almost surely, 2^45840629 is an apocalyptic number.

It is an amenable number.

45840629 is a deficient number, since it is larger than the sum of its proper divisors (1).

45840629 is an equidigital number, since it uses as much as digits as its factorization.

45840629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 45840629 is about 6770.5708031155. The cubic root of 45840629 is about 357.8905156088.

The spelling of 45840629 in words is "forty-five million, eight hundred forty thousand, six hundred twenty-nine".