149829 has 4 divisors (see below), whose sum is σ = 199776. Its totient is φ = 99884.

The previous prime is 149827. The next prime is 149837. The reversal of 149829 is 928941.

149829 = 125² + 126² + ... + 133².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149829 - 2¹ = 149827 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 149829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149827) 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 3 ways as a sum of consecutive naturals, for example, 24969 + ... + 24974.

It is an arithmetic number, because the mean of its divisors is an integer number (49944).

2¹⁴⁹⁸²⁹ is an apocalyptic number.

It is an amenable number.

149829 is a deficient number, since it is larger than the sum of its proper divisors (49947).

149829 is an equidigital number, since it uses as much as digits as its factorization.

149829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49946.

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

The square root of 149829 is about 387.0775116175. The cubic root of 149829 is about 53.1127302691.

The spelling of 149829 in words is "one hundred forty-nine thousand, eight hundred twenty-nine".