298154 has 4 divisors (see below), whose sum is σ = 447234. Its totient is φ = 149076.

The previous prime is 298153. The next prime is 298157. The reversal of 298154 is 451892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 142129 = 395^2 + 377^2 .

It is not an unprimeable number, because it can be changed into a prime (298153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74537 + ... + 74540.

2²⁹⁸¹⁵⁴ is an apocalyptic number.

298154 is a deficient number, since it is larger than the sum of its proper divisors (149080).

298154 is a wasteful number, since it uses less digits than its factorization.

298154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149079.

The product of its digits is 2880, while the sum is 29.

The square root of 298154 is about 546.0347974260. The cubic root of 298154 is about 66.8057042710.

The spelling of 298154 in words is "two hundred ninety-eight thousand, one hundred fifty-four".