143872342 has 12 divisors (see below), whose sum is σ = 218821500. Its totient is φ = 70945488.

The previous prime is 143872297. The next prime is 143872361. The reversal of 143872342 is 243278341.

It is a junction number, because it is equal to n+sod(n) for n = 143872298 and 143872307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3909 + ... + 17407.

It is an arithmetic number, because the mean of its divisors is an integer number (18235125).

Almost surely, 2^143872342 is an apocalyptic number.

143872342 is a deficient number, since it is larger than the sum of its proper divisors (74949158).

143872342 is an equidigital number, since it uses as much as digits as its factorization.

143872342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13647 (or 13574 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 143872342 is about 11994.6797372835. The cubic root of 143872342 is about 523.9933448060.

The spelling of 143872342 in words is "one hundred forty-three million, eight hundred seventy-two thousand, three hundred forty-two".