149145 has 16 divisors (see below), whose sum is σ = 244032. Its totient is φ = 77760.

The previous prime is 149143. The next prime is 149153. The reversal of 149145 is 541941.

It is not a de Polignac number, because 149145 - 2¹ = 149143 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (15252).

2¹⁴⁹¹⁴⁵ is an apocalyptic number.

149145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149145 is a deficient number, since it is larger than the sum of its proper divisors (94887).

149145 is a wasteful number, since it uses less digits than its factorization.

149145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its digits is 720, while the sum is 24.

The square root of 149145 is about 386.1929569529. The cubic root of 149145 is about 53.0317834755.

The spelling of 149145 in words is "one hundred forty-nine thousand, one hundred forty-five".