465143142 has 32 divisors (see below), whose sum is σ = 980219520. Its totient is φ = 146741760.

The previous prime is 465143131. The next prime is 465143149. The reversal of 465143142 is 241341564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465143149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219078 + ... + 221190.

It is an arithmetic number, because the mean of its divisors is an integer number (30631860).

Almost surely, 2^465143142 is an apocalyptic number.

465143142 is an abundant number, since it is smaller than the sum of its proper divisors (515076378).

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

465143142 is a wasteful number, since it uses less digits than its factorization.

465143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068.

The product of its digits is 11520, while the sum is 30.

The square root of 465143142 is about 21567.1774231122. The cubic root of 465143142 is about 774.8105770841.

The spelling of 465143142 in words is "four hundred sixty-five million, one hundred forty-three thousand, one hundred forty-two".