149982091 has 6 divisors (see below), whose sum is σ = 174469020. Its totient is φ = 128556036.

The previous prime is 149982083. The next prime is 149982167. The reversal of 149982091 is 190289941.

It is a happy number.

It is not a de Polignac number, because 149982091 - 2³ = 149982083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149982491) 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 5 ways as a sum of consecutive naturals, for example, 1530381 + ... + 1530478.

It is an arithmetic number, because the mean of its divisors is an integer number (29078170).

Almost surely, 2^149982091 is an apocalyptic number.

149982091 is a deficient number, since it is larger than the sum of its proper divisors (24486929).

149982091 is an equidigital number, since it uses as much as digits as its factorization.

149982091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060873 (or 3060866 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 149982091 is about 12246.7175602281. The cubic root of 149982091 is about 531.3081380249.

The spelling of 149982091 in words is "one hundred forty-nine million, nine hundred eighty-two thousand, ninety-one".