143262161 has 8 divisors (see below), whose sum is σ = 163851264. Its totient is φ = 122703840.

The previous prime is 143262151. The next prime is 143262169. The reversal of 143262161 is 161262341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143262161 - 2¹⁴ = 143245777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143262161.

It is not an unprimeable number, because it can be changed into a prime (143262169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3341 + ... + 17253.

It is an arithmetic number, because the mean of its divisors is an integer number (20481408).

Almost surely, 2^143262161 is an apocalyptic number.

It is an amenable number.

143262161 is a deficient number, since it is larger than the sum of its proper divisors (20589103).

143262161 is a wasteful number, since it uses less digits than its factorization.

143262161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15391.

The product of its digits is 1728, while the sum is 26.

The square root of 143262161 is about 11969.2172258674. The cubic root of 143262161 is about 523.2515208319.

The spelling of 143262161 in words is "one hundred forty-three million, two hundred sixty-two thousand, one hundred sixty-one".