450299285 has 4 divisors (see below), whose sum is σ = 540359148. Its totient is φ = 360239424.

The previous prime is 450299279. The next prime is 450299293. The reversal of 450299285 is 582992054.

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 241149841 + 209149444 = 15529^2 + 14462^2 .

It is a cyclic number.

It is not a de Polignac number, because 450299285 - 2¹² = 450295189 is a prime.

It is a super-2 number, since 2×450299285² = 405538892143022450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45029924 + ... + 45029933.

It is an arithmetic number, because the mean of its divisors is an integer number (135089787).

Almost surely, 2^450299285 is an apocalyptic number.

It is an amenable number.

450299285 is a deficient number, since it is larger than the sum of its proper divisors (90059863).

450299285 is an equidigital number, since it uses as much as digits as its factorization.

450299285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90059862.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 450299285 is about 21220.2564781861. The cubic root of 450299285 is about 766.4792798700.

The spelling of 450299285 in words is "four hundred fifty million, two hundred ninety-nine thousand, two hundred eighty-five".