149968384 has 40 divisors (see below), whose sum is σ = 303339960. Its totient is φ = 74059776.

The previous prime is 149968381. The next prime is 149968393. The reversal of 149968384 is 483869941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149968381) 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, 40732 + ... + 44260.

It is an arithmetic number, because the mean of its divisors is an integer number (7583499).

Almost surely, 2^149968384 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 149968384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151669980).

149968384 is an abundant number, since it is smaller than the sum of its proper divisors (153371576).

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

149968384 is an frugal number, since it uses more digits than its factorization.

149968384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3614 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 149968384 is about 12246.1579281014. The cubic root of 149968384 is about 531.2919519535.

The spelling of 149968384 in words is "one hundred forty-nine million, nine hundred sixty-eight thousand, three hundred eighty-four".