45180450629 has 2 divisors, whose sum is σ = 45180450630. Its totient is φ = 45180450628.

The previous prime is 45180450619. The next prime is 45180450631. The reversal of 45180450629 is 92605408154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45092522500 + 87928129 = 212350^2 + 9377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45180450629 is a prime.

Together with 45180450631, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45180450629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45180450619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22590225314 + 22590225315.

It is an arithmetic number, because the mean of its divisors is an integer number (22590225315).

Almost surely, 2^45180450629 is an apocalyptic number.

It is an amenable number.

45180450629 is a deficient number, since it is larger than the sum of its proper divisors (1).

45180450629 is an equidigital number, since it uses as much as digits as its factorization.

45180450629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 45180450629 in words is "forty-five billion, one hundred eighty million, four hundred fifty thousand, six hundred twenty-nine".