450135251 has 8 divisors (see below), whose sum is σ = 476285520. Its totient is φ = 424230912.

The previous prime is 450135247. The next prime is 450135253. The reversal of 450135251 is 152531054.

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 450135251 - 2² = 450135247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450135251.

It is not an unprimeable number, because it can be changed into a prime (450135253) 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, 57710 + ... + 65043.

It is an arithmetic number, because the mean of its divisors is an integer number (59535690).

Almost surely, 2^450135251 is an apocalyptic number.

450135251 is a deficient number, since it is larger than the sum of its proper divisors (26150269).

450135251 is a wasteful number, since it uses less digits than its factorization.

450135251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122965.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 450135251 is about 21216.3910927377. The cubic root of 450135251 is about 766.3861981233.

The spelling of 450135251 in words is "four hundred fifty million, one hundred thirty-five thousand, two hundred fifty-one".