162241143 has 4 divisors (see below), whose sum is σ = 216321528. Its totient is φ = 108160760.

The previous prime is 162241139. The next prime is 162241153. The reversal of 162241143 is 341142261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162241143 - 2² = 162241139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162241153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27040188 + ... + 27040193.

It is an arithmetic number, because the mean of its divisors is an integer number (54080382).

Almost surely, 2^162241143 is an apocalyptic number.

162241143 is a deficient number, since it is larger than the sum of its proper divisors (54080385).

162241143 is an equidigital number, since it uses as much as digits as its factorization.

162241143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54080384.

The product of its digits is 1152, while the sum is 24.

The square root of 162241143 is about 12737.3915304508. The cubic root of 162241143 is about 545.4065288818.

The spelling of 162241143 in words is "one hundred sixty-two million, two hundred forty-one thousand, one hundred forty-three".