143440166 has 16 divisors (see below), whose sum is σ = 220327344. Its totient is φ = 70017024.

The previous prime is 143440127. The next prime is 143440183. The reversal of 143440166 is 661044341.

It is a congruent number.

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, 10406 + ... + 19878.

It is an arithmetic number, because the mean of its divisors is an integer number (13770459).

Almost surely, 2^143440166 is an apocalyptic number.

143440166 is a deficient number, since it is larger than the sum of its proper divisors (76887178).

143440166 is a wasteful number, since it uses less digits than its factorization.

143440166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 143440166 is about 11976.6508674170. The cubic root of 143440166 is about 523.4681466236.

The spelling of 143440166 in words is "one hundred forty-three million, four hundred forty thousand, one hundred sixty-six".