450137813 has 8 divisors (see below), whose sum is σ = 457630080. Its totient is φ = 442690560.

The previous prime is 450137789. The next prime is 450137827. The reversal of 450137813 is 318731054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450137813 - 2¹⁴ = 450121429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 450137813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450137833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9218 + ... + 31388.

It is an arithmetic number, because the mean of its divisors is an integer number (57203760).

Almost surely, 2^450137813 is an apocalyptic number.

It is an amenable number.

450137813 is a deficient number, since it is larger than the sum of its proper divisors (7492267).

450137813 is a wasteful number, since it uses less digits than its factorization.

450137813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22507.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 450137813 is about 21216.4514704981. The cubic root of 450137813 is about 766.3876521142.

Adding to 450137813 its reverse (318731054), we get a palindrome (768868867).

The spelling of 450137813 in words is "four hundred fifty million, one hundred thirty-seven thousand, eight hundred thirteen".