149806384 has 80 divisors (see below), whose sum is σ = 368865280. Its totient is φ = 57335040.

The previous prime is 149806381. The next prime is 149806403. The reversal of 149806384 is 483608941.

It is a self number, because there is not a number n which added to its sum of digits gives 149806384.

It is not an unprimeable number, because it can be changed into a prime (149806381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43477 + ... + 46795.

It is an arithmetic number, because the mean of its divisors is an integer number (4610816).

Almost surely, 2^149806384 is an apocalyptic number.

149806384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149806384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184432640).

149806384 is an abundant number, since it is smaller than the sum of its proper divisors (219058896).

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

149806384 is a wasteful number, since it uses less digits than its factorization.

149806384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3372 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 149806384 is about 12239.5418214899. The cubic root of 149806384 is about 531.1005776028.

The spelling of 149806384 in words is "one hundred forty-nine million, eight hundred six thousand, three hundred eighty-four".