149065 has 8 divisors (see below), whose sum is σ = 204480. Its totient is φ = 102192.

The previous prime is 149059. The next prime is 149069. The reversal of 149065 is 560941.

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 149065 - 2³ = 149057 is a prime.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (149069) 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 7 ways as a sum of consecutive naturals, for example, 2095 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (25560).

2¹⁴⁹⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

149065 is a deficient number, since it is larger than the sum of its proper divisors (55415).

149065 is an equidigital number, since it uses as much as digits as its factorization.

149065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 149065 is about 386.0893678930. The cubic root of 149065 is about 53.0222998601.

The spelling of 149065 in words is "one hundred forty-nine thousand, sixty-five".