149187 has 6 divisors (see below), whose sum is σ = 199812. Its totient is φ = 99012.

The previous prime is 149183. The next prime is 149197. The reversal of 149187 is 781941.

It is not a de Polignac number, because 149187 - 2² = 149183 is a prime.

149187 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (149183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558 + ... + 780.

It is an arithmetic number, because the mean of its divisors is an integer number (33302).

2¹⁴⁹¹⁸⁷ is an apocalyptic number.

149187 is a deficient number, since it is larger than the sum of its proper divisors (50625).

149187 is an frugal number, since it uses more digits than its factorization.

149187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 226 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 149187 is about 386.2473300879. The cubic root of 149187 is about 53.0367610160.

The spelling of 149187 in words is "one hundred forty-nine thousand, one hundred eighty-seven".