143157142 has 8 divisors (see below), whose sum is σ = 215826336. Its totient is φ = 71215032.

The previous prime is 143157139. The next prime is 143157143. The reversal of 143157142 is 241751341.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143157142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143157143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181278 + ... + 182065.

It is an arithmetic number, because the mean of its divisors is an integer number (26978292).

Almost surely, 2^143157142 is an apocalyptic number.

143157142 is a deficient number, since it is larger than the sum of its proper divisors (72669194).

143157142 is a wasteful number, since it uses less digits than its factorization.

143157142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363542.

The product of its digits is 3360, while the sum is 28.

The square root of 143157142 is about 11964.8293761340. The cubic root of 143157142 is about 523.1236322487.

The spelling of 143157142 in words is "one hundred forty-three million, one hundred fifty-seven thousand, one hundred forty-two".