289148 has 6 divisors (see below), whose sum is σ = 506016. Its totient is φ = 144572.

The previous prime is 289141. The next prime is 289151. The reversal of 289148 is 841982.

It is a happy number.

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 289148.

It is not an unprimeable number, because it can be changed into a prime (289141) by changing a digit.

289148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36140 + ... + 36147.

It is an arithmetic number, because the mean of its divisors is an integer number (84336).

2²⁸⁹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

289148 is a deficient number, since it is larger than the sum of its proper divisors (216868).

289148 is a wasteful number, since it uses less digits than its factorization.

289148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72291 (or 72289 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 289148 is about 537.7248366962. The cubic root of 289148 is about 66.1261743067.

Adding to 289148 its sum of digits (32), we get a triangular number (289180 = T₇₆₀).

The spelling of 289148 in words is "two hundred eighty-nine thousand, one hundred forty-eight".