268154 has 4 divisors (see below), whose sum is σ = 402234. Its totient is φ = 134076.

The previous prime is 268153. The next prime is 268171. The reversal of 268154 is 451862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451862 = 2 ⋅225931.

It can be written as a sum of positive squares in only one way, i.e., 142129 + 126025 = 377^2 + 355^2 .

It is not an unprimeable number, because it can be changed into a prime (268153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67037 + ... + 67040.

2²⁶⁸¹⁵⁴ is an apocalyptic number.

268154 is a deficient number, since it is larger than the sum of its proper divisors (134080).

268154 is a wasteful number, since it uses less digits than its factorization.

268154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134079.

The product of its digits is 1920, while the sum is 26.

The square root of 268154 is about 517.8358813369. The cubic root of 268154 is about 64.4854042249.

The spelling of 268154 in words is "two hundred sixty-eight thousand, one hundred fifty-four".