149959 has 4 divisors (see below), whose sum is σ = 155160. Its totient is φ = 144760.

The previous prime is 149953. The next prime is 149969. The reversal of 149959 is 959941.

149959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149959 - 2¹³ = 141767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (38790).

2¹⁴⁹⁹⁵⁹ is an apocalyptic number.

149959 is a deficient number, since it is larger than the sum of its proper divisors (5201).

149959 is an equidigital number, since it uses as much as digits as its factorization.

149959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200.

The product of its digits is 14580, while the sum is 37.

The square root of 149959 is about 387.2454002309. The cubic root of 149959 is about 53.1280870178.

The spelling of 149959 in words is "one hundred forty-nine thousand, nine hundred fifty-nine".