45008129 has 4 divisors (see below), whose sum is σ = 47655684. Its totient is φ = 42360576.

The previous prime is 45008123. The next prime is 45008137. The reversal of 45008129 is 92180054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29953729 + 15054400 = 5473^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 45008129 - 2⁴ = 45008113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45008123) 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 in 3 ways as a sum of consecutive naturals, for example, 1323752 + ... + 1323785.

It is an arithmetic number, because the mean of its divisors is an integer number (11913921).

Almost surely, 2^45008129 is an apocalyptic number.

It is an amenable number.

45008129 is a deficient number, since it is larger than the sum of its proper divisors (2647555).

45008129 is a wasteful number, since it uses less digits than its factorization.

45008129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647554.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 45008129 is about 6708.8098050250. The cubic root of 45008129 is about 355.7107469266.

The spelling of 45008129 in words is "forty-five million, eight thousand, one hundred twenty-nine".