45112129 has 2 divisors, whose sum is σ = 45112130. Its totient is φ = 45112128.

The previous prime is 45112097. The next prime is 45112141. The reversal of 45112129 is 92121154.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 14807104 = 5505^2 + 3848^2 .

It is a cyclic number.

It is not a de Polignac number, because 45112129 - 2⁵ = 45112097 is a prime.

It is not a weakly prime, because it can be changed into another prime (45112159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22556064 + 22556065.

It is an arithmetic number, because the mean of its divisors is an integer number (22556065).

Almost surely, 2^45112129 is an apocalyptic number.

It is an amenable number.

45112129 is a deficient number, since it is larger than the sum of its proper divisors (1).

45112129 is an equidigital number, since it uses as much as digits as its factorization.

45112129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 45112129 is about 6716.5563349085. The cubic root of 45112129 is about 355.9845156965.

The spelling of 45112129 in words is "forty-five million, one hundred twelve thousand, one hundred twenty-nine".