45697129 has 4 divisors (see below), whose sum is σ = 45710676. Its totient is φ = 45683584.

The previous prime is 45697121. The next prime is 45697151. The reversal of 45697129 is 92179654.

It is a happy number.

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 10413529 + 35283600 = 3227^2 + 5940^2 .

It is a cyclic number.

It is not a de Polignac number, because 45697129 - 2³ = 45697121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45697121) 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, 2757 + ... + 9949.

It is an arithmetic number, because the mean of its divisors is an integer number (11427669).

Almost surely, 2^45697129 is an apocalyptic number.

It is an amenable number.

45697129 is a deficient number, since it is larger than the sum of its proper divisors (13547).

45697129 is an equidigital number, since it uses as much as digits as its factorization.

45697129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13546.

The product of its digits is 136080, while the sum is 43.

The square root of 45697129 is about 6759.9651626321. The cubic root of 45697129 is about 357.5166771362.

The spelling of 45697129 in words is "forty-five million, six hundred ninety-seven thousand, one hundred twenty-nine".