149121180 has 72 divisors (see below), whose sum is σ = 487136832. Its totient is φ = 36706176.

The previous prime is 149121169. The next prime is 149121187. The reversal of 149121180 is 81121941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149121187) 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 23 ways as a sum of consecutive naturals, for example, 29524 + ... + 34203.

Almost surely, 2^149121180 is an apocalyptic number.

149121180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149121180 is an abundant number, since it is smaller than the sum of its proper divisors (338015652).

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

149121180 is a wasteful number, since it uses less digits than its factorization.

149121180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63755 (or 63750 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 149121180 is about 12211.5183331148. The cubic root of 149121180 is about 530.2896008361.

The spelling of 149121180 in words is "one hundred forty-nine million, one hundred twenty-one thousand, one hundred eighty".