162158144 has 14 divisors (see below), whose sum is σ = 321782694. Its totient is φ = 81079040.

The previous prime is 162158083. The next prime is 162158149. The reversal of 162158144 is 441851261.

It can be written as a sum of positive squares in only one way, i.e., 82591744 + 79566400 = 9088^2 + 8920^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 162158144.

It is not an unprimeable number, because it can be changed into a prime (162158149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266797 + ... + 1266924.

Almost surely, 2^162158144 is an apocalyptic number.

It is an amenable number.

162158144 is a deficient number, since it is larger than the sum of its proper divisors (159624550).

162158144 is an equidigital number, since it uses as much as digits as its factorization.

162158144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533733 (or 2533723 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 162158144 is about 12734.1330289894. The cubic root of 162158144 is about 545.3135070230.

The spelling of 162158144 in words is "one hundred sixty-two million, one hundred fifty-eight thousand, one hundred forty-four".