149133 has 4 divisors (see below), whose sum is σ = 198848. Its totient is φ = 99420.

The previous prime is 149119. The next prime is 149143. The reversal of 149133 is 331941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331941 = 3 ⋅110647.

It is not a de Polignac number, because 149133 - 2⁵ = 149101 is a prime.

It is a D-number.

It is a Duffinian number.

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 (149113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24853 + ... + 24858.

It is an arithmetic number, because the mean of its divisors is an integer number (49712).

2¹⁴⁹¹³³ is an apocalyptic number.

It is an amenable number.

149133 is a deficient number, since it is larger than the sum of its proper divisors (49715).

149133 is an equidigital number, since it uses as much as digits as its factorization.

149133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49714.

The product of its digits is 324, while the sum is 21.

The square root of 149133 is about 386.1774203653. The cubic root of 149133 is about 53.0303611494.

It can be divided in two parts, 149 and 133, that added together give a palindrome (282).

The spelling of 149133 in words is "one hundred forty-nine thousand, one hundred thirty-three".