45061729 has 2 divisors, whose sum is σ = 45061730. Its totient is φ = 45061728.

The previous prime is 45061727. The next prime is 45061733. The reversal of 45061729 is 92716054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35283600 + 9778129 = 5940^2 + 3127^2 .

It is a cyclic number.

It is not a de Polignac number, because 45061729 - 2¹ = 45061727 is a prime.

Together with 45061727, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 45061694 and 45061703.

It is not a weakly prime, because it can be changed into another prime (45061727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22530864 + 22530865.

It is an arithmetic number, because the mean of its divisors is an integer number (22530865).

Almost surely, 2^45061729 is an apocalyptic number.

It is an amenable number.

45061729 is a deficient number, since it is larger than the sum of its proper divisors (1).

45061729 is an equidigital number, since it uses as much as digits as its factorization.

45061729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 45061729 is about 6712.8033637222. The cubic root of 45061729 is about 355.8518957434.

The spelling of 45061729 in words is "forty-five million, sixty-one thousand, seven hundred twenty-nine".