281151 has 24 divisors (see below), whose sum is σ = 458640. Its totient is φ = 171072.

The previous prime is 281131. The next prime is 281153. The reversal of 281151 is 151182.

It is not a de Polignac number, because 281151 - 2⁷ = 281023 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281151.

It is not an unprimeable number, because it can be changed into a prime (281153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3115 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (19110).

2²⁸¹¹⁵¹ is an apocalyptic number.

281151 is a deficient number, since it is larger than the sum of its proper divisors (177489).

281151 is an equidigital number, since it uses as much as digits as its factorization.

281151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 281151 is about 530.2367395796. The cubic root of 281151 is about 65.5108464450.

The spelling of 281151 in words is "two hundred eighty-one thousand, one hundred fifty-one".