149017 has 16 divisors (see below), whose sum is σ = 184320. Its totient is φ = 118800.

The previous prime is 149011. The next prime is 149021. The reversal of 149017 is 710941.

It is a de Polignac number, because none of the positive numbers 2^k-149017 is a prime.

It is a Duffinian number.

149017 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (149011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4792 + ... + 4822.

It is an arithmetic number, because the mean of its divisors is an integer number (11520).

2¹⁴⁹⁰¹⁷ is an apocalyptic number.

It is an amenable number.

149017 is a deficient number, since it is larger than the sum of its proper divisors (35303).

149017 is a wasteful number, since it uses less digits than its factorization.

149017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 149017 is about 386.0272011141. The cubic root of 149017 is about 53.0166080620.

Adding to 149017 its reverse (710941), we get a palindrome (859958).

The spelling of 149017 in words is "one hundred forty-nine thousand, seventeen".