45718129 has 4 divisors (see below), whose sum is σ = 45731700. Its totient is φ = 45704560.

The previous prime is 45718111. The next prime is 45718139. The reversal of 45718129 is 92181754.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14077504 + 31640625 = 3752^2 + 5625^2 .

It is a cyclic number.

It is not a de Polignac number, because 45718129 - 2¹¹ = 45716081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45718139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547 + ... + 9895.

It is an arithmetic number, because the mean of its divisors is an integer number (11432925).

Almost surely, 2^45718129 is an apocalyptic number.

It is an amenable number.

45718129 is a deficient number, since it is larger than the sum of its proper divisors (13571).

45718129 is an equidigital number, since it uses as much as digits as its factorization.

45718129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13570.

The product of its digits is 20160, while the sum is 37.

The square root of 45718129 is about 6761.5182466662. The cubic root of 45718129 is about 357.5714340440.

The spelling of 45718129 in words is "forty-five million, seven hundred eighteen thousand, one hundred twenty-nine".