162742224 has 120 divisors (see below), whose sum is σ = 460095552. Its totient is φ = 49387520.

The previous prime is 162742211. The next prime is 162742249. The reversal of 162742224 is 422247261.

It is a junction number, because it is equal to n+sod(n) for n = 162742191 and 162742200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2292109 + ... + 2292179.

Almost surely, 2^162742224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162742224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230047776).

162742224 is an abundant number, since it is smaller than the sum of its proper divisors (297353328).

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

162742224 is a wasteful number, since it uses less digits than its factorization.

162742224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 146 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 162742224 is about 12757.0460530642. The cubic root of 162742224 is about 545.9674469717.

Adding to 162742224 its reverse (422247261), we get a palindrome (584989485).

The spelling of 162742224 in words is "one hundred sixty-two million, seven hundred forty-two thousand, two hundred twenty-four".