143193442 has 16 divisors (see below), whose sum is σ = 248838912. Its totient is φ = 60527520.

The previous prime is 143193403. The next prime is 143193493. The reversal of 143193442 is 244391341.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69034 + ... + 71077.

It is an arithmetic number, because the mean of its divisors is an integer number (15552432).

Almost surely, 2^143193442 is an apocalyptic number.

143193442 is a deficient number, since it is larger than the sum of its proper divisors (105645470).

143193442 is a wasteful number, since it uses less digits than its factorization.

143193442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140193.

The product of its digits is 10368, while the sum is 31.

The square root of 143193442 is about 11966.3462259789. The cubic root of 143193442 is about 523.1678442309.

The spelling of 143193442 in words is "one hundred forty-three million, one hundred ninety-three thousand, four hundred forty-two".