45840029 has 2 divisors, whose sum is σ = 45840030. Its totient is φ = 45840028.

The previous prime is 45840019. The next prime is 45840037. The reversal of 45840029 is 92004854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39664804 + 6175225 = 6298^2 + 2485^2 .

It is a cyclic number.

It is not a de Polignac number, because 45840029 - 2⁴ = 45840013 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45839977 and 45840004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45840019) 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, 22920014 + 22920015.

It is an arithmetic number, because the mean of its divisors is an integer number (22920015).

Almost surely, 2^45840029 is an apocalyptic number.

It is an amenable number.

45840029 is a deficient number, since it is larger than the sum of its proper divisors (1).

45840029 is an equidigital number, since it uses as much as digits as its factorization.

45840029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 45840029 is about 6770.5264935602. The cubic root of 45840029 is about 357.8889541465. Note that the first 3 decimals are identical.

The spelling of 45840029 in words is "forty-five million, eight hundred forty thousand, twenty-nine".