149049180 has 288 divisors, whose sum is σ = 556174080. Its totient is φ = 33022080.

The previous prime is 149049157. The next prime is 149049191. The reversal of 149049180 is 81940941.

149049180 is a `hidden beast` number, since 1 + 4 + 90 + 491 + 80 = 666.

149049180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1137715 + ... + 1137845.

It is an arithmetic number, because the mean of its divisors is an integer number (1931160).

Almost surely, 2^149049180 is an apocalyptic number.

149049180 is a gapful number since it is divisible by the number (10) 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 149049180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278087040).

149049180 is an abundant number, since it is smaller than the sum of its proper divisors (407124900).

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

149049180 is a wasteful number, since it uses less digits than its factorization.

149049180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 149049180 is about 12208.5699408244. The cubic root of 149049180 is about 530.2042407331.

The spelling of 149049180 in words is "one hundred forty-nine million, forty-nine thousand, one hundred eighty".