162143544 has 16 divisors (see below), whose sum is σ = 405358920. Its totient is φ = 54047840.

The previous prime is 162143539. The next prime is 162143557. The reversal of 162143544 is 445341261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3377967 + ... + 3378014.

Almost surely, 2^162143544 is an apocalyptic number.

It is an amenable number.

162143544 is an abundant number, since it is smaller than the sum of its proper divisors (243215376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162143544 is a wasteful number, since it uses less digits than its factorization.

162143544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755990 (or 6755986 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 162143544 is about 12733.5597536588. The cubic root of 162143544 is about 545.2971406620.

The spelling of 162143544 in words is "one hundred sixty-two million, one hundred forty-three thousand, five hundred forty-four".