149247 has 24 divisors (see below), whose sum is σ = 259584. Its totient is φ = 80784.

The previous prime is 149239. The next prime is 149249. The reversal of 149247 is 742941.

It is a happy number.

It is not a de Polignac number, because 149247 - 2³ = 149239 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 149247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1398 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (10816).

2¹⁴⁹²⁴⁷ is an apocalyptic number.

149247 is a deficient number, since it is larger than the sum of its proper divisors (110337).

149247 is a wasteful number, since it uses less digits than its factorization.

149247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 136 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 149247 is about 386.3249927199. The cubic root of 149247 is about 53.0438701680.

It can be divided in two parts, 14 and 9247, that added together give a cube (9261 = 21³).

The spelling of 149247 in words is "one hundred forty-nine thousand, two hundred forty-seven".