450456231 has 4 divisors (see below), whose sum is σ = 600608312. Its totient is φ = 300304152.

The previous prime is 450456229. The next prime is 450456271. The reversal of 450456231 is 132654054.

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

It is not a de Polignac number, because 450456231 - 2¹ = 450456229 is a prime.

It is a super-2 number, since 2×450456231² = 405821632093450722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450456271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75076036 + ... + 75076041.

It is an arithmetic number, because the mean of its divisors is an integer number (150152078).

Almost surely, 2^450456231 is an apocalyptic number.

450456231 is a deficient number, since it is larger than the sum of its proper divisors (150152081).

450456231 is a wasteful number, since it uses less digits than its factorization.

450456231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150152080.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 450456231 is about 21223.9541791816. The cubic root of 450456231 is about 766.5683183443.

The spelling of 450456231 in words is "four hundred fifty million, four hundred fifty-six thousand, two hundred thirty-one".