142000143 has 8 divisors (see below), whose sum is σ = 191285808. Its totient is φ = 93690624.

The previous prime is 142000139. The next prime is 142000169. The reversal of 142000143 is 341000241.

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

It is not a de Polignac number, because 142000143 - 2² = 142000139 is a prime.

It is a super-2 number, since 2×142000143² = 40328081224040898, which contains 22 as substring.

142000143 is a modest number, since divided by 143 gives 142 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142000543) 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, 243696 + ... + 244277.

It is an arithmetic number, because the mean of its divisors is an integer number (23910726).

Almost surely, 2^142000143 is an apocalyptic number.

142000143 is a deficient number, since it is larger than the sum of its proper divisors (49285665).

142000143 is an equidigital number, since it uses as much as digits as its factorization.

142000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488073.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142000143 is about 11916.3812879582. The cubic root of 142000143 is about 521.7105197557.

Adding to 142000143 its reverse (341000241), we get a palindrome (483000384).

The spelling of 142000143 in words is "one hundred forty-two million, one hundred forty-three", and thus it is an aban number.