149996 has 24 divisors (see below), whose sum is σ = 327936. Its totient is φ = 58320.

The previous prime is 149993. The next prime is 150001. The reversal of 149996 is 699941.

149996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149996.

It is not an unprimeable number, because it can be changed into a prime (149993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (13664).

2¹⁴⁹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163968).

149996 is an abundant number, since it is smaller than the sum of its proper divisors (177940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149996 is a wasteful number, since it uses less digits than its factorization.

149996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 507 counting only the distinct ones).

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

The square root of 149996 is about 387.2931706085. The cubic root of 149996 is about 53.1324561622.

Subtracting 149996 from its reverse (699941), we obtain a palindrome (549945).

The spelling of 149996 in words is "one hundred forty-nine thousand, nine hundred ninety-six".