162256154 has 4 divisors (see below), whose sum is σ = 243384234. Its totient is φ = 81128076.

The previous prime is 162256141. The next prime is 162256163. The reversal of 162256154 is 451652261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451652261 = 1039 ⋅434699.

It can be written as a sum of positive squares in only one way, i.e., 160604929 + 1651225 = 12673^2 + 1285^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 162256154.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40564037 + ... + 40564040.

Almost surely, 2^162256154 is an apocalyptic number.

162256154 is a deficient number, since it is larger than the sum of its proper divisors (81128080).

162256154 is an equidigital number, since it uses as much as digits as its factorization.

162256154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81128079.

The product of its digits is 14400, while the sum is 32.

The square root of 162256154 is about 12737.9807661968. The cubic root of 162256154 is about 545.4233492040.

The spelling of 162256154 in words is "one hundred sixty-two million, two hundred fifty-six thousand, one hundred fifty-four".