143142020 has 24 divisors (see below), whose sum is σ = 343541184. Its totient is φ = 49077216.

The previous prime is 143142019. The next prime is 143142047. The reversal of 143142020 is 20241341.

It is a self number, because there is not a number n which added to its sum of digits gives 143142020.

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, 511082 + ... + 511361.

It is an arithmetic number, because the mean of its divisors is an integer number (14314216).

Almost surely, 2^143142020 is an apocalyptic number.

143142020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143142020 is an abundant number, since it is smaller than the sum of its proper divisors (200399164).

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

143142020 is a wasteful number, since it uses less digits than its factorization.

143142020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022459 (or 1022457 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 143142020 is about 11964.1974239813. The cubic root of 143142020 is about 523.1052120381.

Adding to 143142020 its reverse (20241341), we get a palindrome (163383361).

The spelling of 143142020 in words is "one hundred forty-three million, one hundred forty-two thousand, twenty".