143221034142 has 16 divisors (see below), whose sum is σ = 318268964880. Its totient is φ = 47740344696.

The previous prime is 143221034123. The next prime is 143221034239. The reversal of 143221034142 is 241430122341.

143221034142 is a `hidden beast` number, since 1 + 4 + 32 + 210 + 3 + 414 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326120633 + ... + 1326120740.

It is an arithmetic number, because the mean of its divisors is an integer number (19891810305).

Almost surely, 2^143221034142 is an apocalyptic number.

143221034142 is an abundant number, since it is smaller than the sum of its proper divisors (175047930738).

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

143221034142 is a wasteful number, since it uses less digits than its factorization.

143221034142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652241384 (or 2652241378 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 143221034142 its reverse (241430122341), we get a palindrome (384651156483).

The spelling of 143221034142 in words is "one hundred forty-three billion, two hundred twenty-one million, thirty-four thousand, one hundred forty-two".