450107149 has 2 divisors, whose sum is σ = 450107150. Its totient is φ = 450107148.

The previous prime is 450107089. The next prime is 450107167. The reversal of 450107149 is 941701054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449864100 + 243049 = 21210^2 + 493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450107149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450107149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450147149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225053574 + 225053575.

It is an arithmetic number, because the mean of its divisors is an integer number (225053575).

Almost surely, 2^450107149 is an apocalyptic number.

It is an amenable number.

450107149 is a deficient number, since it is larger than the sum of its proper divisors (1).

450107149 is an equidigital number, since it uses as much as digits as its factorization.

450107149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 450107149 is about 21215.7288114267. The cubic root of 450107149 is about 766.3702492626.

The spelling of 450107149 in words is "four hundred fifty million, one hundred seven thousand, one hundred forty-nine".