149289 has 8 divisors (see below), whose sum is σ = 227520. Its totient is φ = 85296.

The previous prime is 149287. The next prime is 149297. The reversal of 149289 is 982941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149289 - 2¹ = 149287 is a prime.

It is a Curzon number.

149289 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149289.

It is not an unprimeable number, because it can be changed into a prime (149287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3534 + ... + 3575.

It is an arithmetic number, because the mean of its divisors is an integer number (28440).

2¹⁴⁹²⁸⁹ is an apocalyptic number.

It is an amenable number.

149289 is a deficient number, since it is larger than the sum of its proper divisors (78231).

149289 is an equidigital number, since it uses as much as digits as its factorization.

149289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119.

The product of its digits is 5184, while the sum is 33.

The square root of 149289 is about 386.3793472742. The cubic root of 149289 is about 53.0488454407.

The spelling of 149289 in words is "one hundred forty-nine thousand, two hundred eighty-nine".