143706442 has 16 divisors (see below), whose sum is σ = 235397664. Its totient is φ = 65254000.

The previous prime is 143706439. The next prime is 143706467. The reversal of 143706442 is 244607341.

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, 23217 + ... + 28747.

It is an arithmetic number, because the mean of its divisors is an integer number (14712354).

Almost surely, 2^143706442 is an apocalyptic number.

143706442 is a deficient number, since it is larger than the sum of its proper divisors (91691222).

143706442 is a wasteful number, since it uses less digits than its factorization.

143706442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 143706442 is about 11987.7621764865. The cubic root of 143706442 is about 523.7918607926.

The spelling of 143706442 in words is "one hundred forty-three million, seven hundred six thousand, four hundred forty-two".