149513 has 16 divisors (see below), whose sum is σ = 193536. Its totient is φ = 112320.

The previous prime is 149503. The next prime is 149519. The reversal of 149513 is 315941.

It is a happy number.

It is not a de Polignac number, because 149513 - 2⁴ = 149497 is a prime.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2¹⁴⁹⁵¹³ is an apocalyptic number.

149513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

149513 is a deficient number, since it is larger than the sum of its proper divisors (44023).

149513 is a wasteful number, since it uses less digits than its factorization.

149513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104.

The product of its digits is 540, while the sum is 23.

The square root of 149513 is about 386.6691091877. The cubic root of 149513 is about 53.0753644812.

The spelling of 149513 in words is "one hundred forty-nine thousand, five hundred thirteen".