162543044 has 24 divisors (see below), whose sum is σ = 295604736. Its totient is φ = 78120000.

The previous prime is 162543019. The next prime is 162543071. The reversal of 162543044 is 440345261.

It is a junction number, because it is equal to n+sod(n) for n = 162542998 and 162543016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14384 + ... + 23064.

It is an arithmetic number, because the mean of its divisors is an integer number (12316864).

Almost surely, 2^162543044 is an apocalyptic number.

It is an amenable number.

162543044 is a deficient number, since it is larger than the sum of its proper divisors (133061692).

162543044 is a wasteful number, since it uses less digits than its factorization.

162543044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867 (or 8865 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 162543044 is about 12749.2369967775. The cubic root of 162543044 is about 545.7446197541.

The spelling of 162543044 in words is "one hundred sixty-two million, five hundred forty-three thousand, forty-four".