143210142 has 72 divisors (see below), whose sum is σ = 340177968. Its totient is φ = 43390080.

The previous prime is 143210107. The next prime is 143210147. The reversal of 143210142 is 241012341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143210147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 293823 + ... + 294309.

It is an arithmetic number, because the mean of its divisors is an integer number (4724694).

Almost surely, 2^143210142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143210142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170088984).

143210142 is an abundant number, since it is smaller than the sum of its proper divisors (196967826).

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

143210142 is a wasteful number, since it uses less digits than its factorization.

143210142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 143210142 is about 11967.0439959081. The cubic root of 143210142 is about 523.1881816692.

Adding to 143210142 its reverse (241012341), we get a palindrome (384222483).

The spelling of 143210142 in words is "one hundred forty-three million, two hundred ten thousand, one hundred forty-two".