283149 has 8 divisors (see below), whose sum is σ = 419520. Its totient is φ = 188748.

The previous prime is 283139. The next prime is 283159. The reversal of 283149 is 941382.

It is an interprime number because it is at equal distance from previous prime (283139) and next prime (283159).

It is not a de Polignac number, because 283149 - 2⁴ = 283133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 10487 = 283149 / (2 + 8 + 3 + 1 + 4 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5217 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (52440).

2²⁸³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

283149 is a deficient number, since it is larger than the sum of its proper divisors (136371).

283149 is a wasteful number, since it uses less digits than its factorization.

283149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496 (or 10490 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 283149 is about 532.1174682342. The cubic root of 283149 is about 65.6656645929.

The spelling of 283149 in words is "two hundred eighty-three thousand, one hundred forty-nine".