143290142 has 4 divisors (see below), whose sum is σ = 214935216. Its totient is φ = 71645070.

The previous prime is 143290123. The next prime is 143290151. The reversal of 143290142 is 241092341.

143290142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35822534 + ... + 35822537.

It is an arithmetic number, because the mean of its divisors is an integer number (53733804).

Almost surely, 2^143290142 is an apocalyptic number.

143290142 is a deficient number, since it is larger than the sum of its proper divisors (71645074).

143290142 is an equidigital number, since it uses as much as digits as its factorization.

143290142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71645073.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 143290142 is about 11970.3860422294. The cubic root of 143290142 is about 523.2855846014.

The spelling of 143290142 in words is "one hundred forty-three million, two hundred ninety thousand, one hundred forty-two".