142143442202 has 8 divisors (see below), whose sum is σ = 213216770676. Its totient is φ = 71071185312.

The previous prime is 142143442187. The next prime is 142143442213. The reversal of 142143442202 is 202244341241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114251436121 + 27892006081 = 338011^2 + 167009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142143442202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335888 + ... + 630164.

Almost surely, 2^142143442202 is an apocalyptic number.

142143442202 is a deficient number, since it is larger than the sum of its proper divisors (71073328474).

142143442202 is a wasteful number, since it uses less digits than its factorization.

142143442202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535792.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142143442202 its reverse (202244341241), we get a palindrome (344387783443).

The spelling of 142143442202 in words is "one hundred forty-two billion, one hundred forty-three million, four hundred forty-two thousand, two hundred two".