1450268665 has 4 divisors (see below), whose sum is σ = 1740322404. Its totient is φ = 1160214928.

The previous prime is 1450268579. The next prime is 1450268683. The reversal of 1450268665 is 5668620541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 305935081 + 1144333584 = 17491^2 + 33828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450268665 - 2¹⁷ = 1450137593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145026862 + ... + 145026871.

It is an arithmetic number, because the mean of its divisors is an integer number (435080601).

Almost surely, 2^1450268665 is an apocalyptic number.

It is an amenable number.

1450268665 is a deficient number, since it is larger than the sum of its proper divisors (290053739).

1450268665 is an equidigital number, since it uses as much as digits as its factorization.

1450268665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290053738.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 1450268665 is about 38082.3931102025. The cubic root of 1450268665 is about 1131.9210971175.

The spelling of 1450268665 in words is "one billion, four hundred fifty million, two hundred sixty-eight thousand, six hundred sixty-five".