143161255 has 16 divisors (see below), whose sum is σ = 183456000. Its totient is φ = 107009280.

The previous prime is 143161253. The next prime is 143161261. The reversal of 143161255 is 552161341.

143161255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143161255 - 2¹ = 143161253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143161253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11430 + ... + 20419.

It is an arithmetic number, because the mean of its divisors is an integer number (11466000).

Almost surely, 2^143161255 is an apocalyptic number.

143161255 is a deficient number, since it is larger than the sum of its proper divisors (40294745).

143161255 is a wasteful number, since it uses less digits than its factorization.

143161255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31914.

The product of its digits is 3600, while the sum is 28.

The square root of 143161255 is about 11965.0012536564. The cubic root of 143161255 is about 523.1286420975.

The spelling of 143161255 in words is "one hundred forty-three million, one hundred sixty-one thousand, two hundred fifty-five".