143142330 has 16 divisors (see below), whose sum is σ = 343541664. Its totient is φ = 38171280.

The previous prime is 143142299. The next prime is 143142331. The reversal of 143142330 is 33241341.

It is a junction number, because it is equal to n+sod(n) for n = 143142297 and 143142306.

It is not an unprimeable number, because it can be changed into a prime (143142331) 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, 2385676 + ... + 2385735.

It is an arithmetic number, because the mean of its divisors is an integer number (21471354).

Almost surely, 2^143142330 is an apocalyptic number.

143142330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143142330 is an abundant number, since it is smaller than the sum of its proper divisors (200399334).

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

143142330 is a wasteful number, since it uses less digits than its factorization.

143142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771421.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 143142330 is about 11964.2103792937. The cubic root of 143142330 is about 523.1055896642.

Adding to 143142330 its reverse (33241341), we get a palindrome (176383671).

The spelling of 143142330 in words is "one hundred forty-three million, one hundred forty-two thousand, three hundred thirty".