149089 has 8 divisors (see below), whose sum is σ = 158760. Its totient is φ = 139776.

The previous prime is 149087. The next prime is 149099. The reversal of 149089 is 980941.

149089 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 4 ways, for example, as 33489 + 115600 = 183^2 + 340^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 149089 - 2¹ = 149087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149089.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149087) 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, 1489 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (19845).

2¹⁴⁹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

149089 is a deficient number, since it is larger than the sum of its proper divisors (9671).

149089 is an equidigital number, since it uses as much as digits as its factorization.

149089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 149089 is about 386.1204475290. The cubic root of 149089 is about 53.0251453009.

The spelling of 149089 in words is "one hundred forty-nine thousand, eighty-nine".