450234857 has 2 divisors, whose sum is σ = 450234858. Its totient is φ = 450234856.

The previous prime is 450234853. The next prime is 450234877. The reversal of 450234857 is 758432054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414366736 + 35868121 = 20356^2 + 5989^2 .

It is a cyclic number.

It is not a de Polignac number, because 450234857 - 2² = 450234853 is a prime.

It is a super-2 number, since 2×450234857² = 405422852915620898, which contains 22 as substring.

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 450234857.

It is not a weakly prime, because it can be changed into another prime (450234853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225117428 + 225117429.

It is an arithmetic number, because the mean of its divisors is an integer number (225117429).

Almost surely, 2^450234857 is an apocalyptic number.

It is an amenable number.

450234857 is a deficient number, since it is larger than the sum of its proper divisors (1).

450234857 is an equidigital number, since it uses as much as digits as its factorization.

450234857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 450234857 is about 21218.7383460940. The cubic root of 450234857 is about 766.4427226408.

The spelling of 450234857 in words is "four hundred fifty million, two hundred thirty-four thousand, eight hundred fifty-seven".