149699 has 8 divisors (see below), whose sum is σ = 168960. Its totient is φ = 131400.

The previous prime is 149689. The next prime is 149711. The reversal of 149699 is 996941.

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 149699 - 2¹² = 145603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149629) 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, 122 + ... + 560.

It is an arithmetic number, because the mean of its divisors is an integer number (21120).

2¹⁴⁹⁶⁹⁹ is an apocalyptic number.

149699 is a deficient number, since it is larger than the sum of its proper divisors (19261).

149699 is a wasteful number, since it uses less digits than its factorization.

149699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its digits is 17496, while the sum is 38.

The square root of 149699 is about 386.9095501535. The cubic root of 149699 is about 53.0973646348.

It can be divided in two parts, 149 and 699, that added together give a palindrome (848).

The spelling of 149699 in words is "one hundred forty-nine thousand, six hundred ninety-nine".