45415129 has 2 divisors, whose sum is σ = 45415130. Its totient is φ = 45415128.

The previous prime is 45415127. The next prime is 45415151. The reversal of 45415129 is 92151454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 725904 = 6685^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 45415129 - 2¹ = 45415127 is a prime.

Together with 45415127, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45415129.

It is not a weakly prime, because it can be changed into another prime (45415127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22707564 + 22707565.

It is an arithmetic number, because the mean of its divisors is an integer number (22707565).

Almost surely, 2^45415129 is an apocalyptic number.

It is an amenable number.

45415129 is a deficient number, since it is larger than the sum of its proper divisors (1).

45415129 is an equidigital number, since it uses as much as digits as its factorization.

45415129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 45415129 is about 6739.0747881293. The cubic root of 45415129 is about 356.7797394813.

The spelling of 45415129 in words is "forty-five million, four hundred fifteen thousand, one hundred twenty-nine".