149450380 has 24 divisors (see below), whose sum is σ = 323971200. Its totient is φ = 57851520.

The previous prime is 149450339. The next prime is 149450387. The reversal of 149450380 is 83054941.

It is not an unprimeable number, because it can be changed into a prime (149450387) 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 7 ways as a sum of consecutive naturals, for example, 119905 + ... + 121144.

It is an arithmetic number, because the mean of its divisors is an integer number (13498800).

Almost surely, 2^149450380 is an apocalyptic number.

149450380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149450380 is an abundant number, since it is smaller than the sum of its proper divisors (174520820).

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

149450380 is a wasteful number, since it uses less digits than its factorization.

149450380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241089 (or 241087 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 149450380 is about 12224.9899795460. The cubic root of 149450380 is about 530.6795365753.

The spelling of 149450380 in words is "one hundred forty-nine million, four hundred fifty thousand, three hundred eighty".