149801184 has 96 divisors (see below), whose sum is σ = 470564640. Its totient is φ = 46089216.

The previous prime is 149801147. The next prime is 149801189. The reversal of 149801184 is 481108941.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149801189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4564 + ... + 17900.

It is an arithmetic number, because the mean of its divisors is an integer number (4901715).

Almost surely, 2^149801184 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 149801184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235282320).

149801184 is an abundant number, since it is smaller than the sum of its proper divisors (320763456).

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

149801184 is a wasteful number, since it uses less digits than its factorization.

149801184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369 (or 13355 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 149801184 is about 12239.3293933941. The cubic root of 149801184 is about 531.0944324376.

The spelling of 149801184 in words is "one hundred forty-nine million, eight hundred one thousand, one hundred eighty-four".