162400143 has 8 divisors (see below), whose sum is σ = 216631168. Its totient is φ = 108217944.

The previous prime is 162400129. The next prime is 162400151. The reversal of 162400143 is 341004261.

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

It is not a de Polignac number, because 162400143 - 2¹⁰ = 162399119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162400123) 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, 3571 + ... + 18372.

It is an arithmetic number, because the mean of its divisors is an integer number (27078896).

Almost surely, 2^162400143 is an apocalyptic number.

162400143 is a deficient number, since it is larger than the sum of its proper divisors (54231025).

162400143 is a wasteful number, since it uses less digits than its factorization.

162400143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24413.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 162400143 is about 12743.6314683060. The cubic root of 162400143 is about 545.5846409661.

The spelling of 162400143 in words is "one hundred sixty-two million, four hundred thousand, one hundred forty-three".