149421185 has 8 divisors (see below), whose sum is σ = 179807040. Its totient is φ = 119202544.

The previous prime is 149421163. The next prime is 149421191. The reversal of 149421185 is 581124941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149421185 - 2¹⁸ = 149159041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39827 + ... + 43416.

It is an arithmetic number, because the mean of its divisors is an integer number (22475880).

Almost surely, 2^149421185 is an apocalyptic number.

It is an amenable number.

149421185 is a deficient number, since it is larger than the sum of its proper divisors (30385855).

149421185 is an equidigital number, since it uses as much as digits as its factorization.

149421185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83607.

The product of its digits is 11520, while the sum is 35.

The square root of 149421185 is about 12223.7958507167. The cubic root of 149421185 is about 530.6449783983.

The spelling of 149421185 in words is "one hundred forty-nine million, four hundred twenty-one thousand, one hundred eighty-five".