450143142 has 16 divisors (see below), whose sum is σ = 901390080. Its totient is φ = 149863752.

The previous prime is 450143131. The next prime is 450143159. The reversal of 450143142 is 241341054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40642 + ... + 50517.

It is an arithmetic number, because the mean of its divisors is an integer number (56336880).

Almost surely, 2^450143142 is an apocalyptic number.

450143142 is an abundant number, since it is smaller than the sum of its proper divisors (451246938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450143142 is a wasteful number, since it uses less digits than its factorization.

450143142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91987.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 450143142 is about 21216.5770566319. The cubic root of 450143142 is about 766.3906764203.

Adding to 450143142 its reverse (241341054), we get a palindrome (691484196).

The spelling of 450143142 in words is "four hundred fifty million, one hundred forty-three thousand, one hundred forty-two".