285155162 has 4 divisors (see below), whose sum is σ = 427732746. Its totient is φ = 142577580.

The previous prime is 285155159. The next prime is 285155177. The reversal of 285155162 is 261551582.

285155162 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261551582 = 2 ⋅130775791.

It can be written as a sum of positive squares in only one way, i.e., 267355201 + 17799961 = 16351^2 + 4219^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71288789 + ... + 71288792.

Almost surely, 2^285155162 is an apocalyptic number.

285155162 is a deficient number, since it is larger than the sum of its proper divisors (142577584).

285155162 is a wasteful number, since it uses less digits than its factorization.

285155162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142577583.

The product of its digits is 24000, while the sum is 35.

The square root of 285155162 is about 16886.5378926528. The cubic root of 285155162 is about 658.2038414042.

The spelling of 285155162 in words is "two hundred eighty-five million, one hundred fifty-five thousand, one hundred sixty-two".