450142023 has 16 divisors (see below), whose sum is σ = 605927936. Its totient is φ = 297237600.

The previous prime is 450142009. The next prime is 450142061. The reversal of 450142023 is 320241054.

It is not a de Polignac number, because 450142023 - 2⁶ = 450141959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450142073) 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 15 ways as a sum of consecutive naturals, for example, 178590 + ... + 181092.

It is an arithmetic number, because the mean of its divisors is an integer number (37870496).

Almost surely, 2^450142023 is an apocalyptic number.

450142023 is a deficient number, since it is larger than the sum of its proper divisors (155785913).

450142023 is a wasteful number, since it uses less digits than its factorization.

450142023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 450142023 is about 21216.5506857265. The cubic root of 450142023 is about 766.3900413691.

Adding to 450142023 its reverse (320241054), we get a palindrome (770383077).

The spelling of 450142023 in words is "four hundred fifty million, one hundred forty-two thousand, twenty-three".