149659 has 4 divisors (see below), whose sum is σ = 151216. Its totient is φ = 148104.

The previous prime is 149629. The next prime is 149689. The reversal of 149659 is 956941.

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

It is an interprime number because it is at equal distance from previous prime (149629) and next prime (149689).

It is a cyclic number.

It is not a de Polignac number, because 149659 - 2⁵ = 149627 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (149629) 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, 624 + ... + 829.

It is an arithmetic number, because the mean of its divisors is an integer number (37804).

2¹⁴⁹⁶⁵⁹ is an apocalyptic number.

149659 is a deficient number, since it is larger than the sum of its proper divisors (1557).

149659 is a wasteful number, since it uses less digits than its factorization.

149659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556.

The product of its digits is 9720, while the sum is 34.

The square root of 149659 is about 386.8578550321. The cubic root of 149659 is about 53.0926349577.

It can be divided in two parts, 149 and 659, that added together give a palindrome (808).

The spelling of 149659 in words is "one hundred forty-nine thousand, six hundred fifty-nine".