149233 has 4 divisors (see below), whose sum is σ = 170560. Its totient is φ = 127908.

The previous prime is 149213. The next prime is 149239. The reversal of 149233 is 332941.

149233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 332941 = 7 ⋅47563.

It is a cyclic number.

It is not a de Polignac number, because 149233 - 2⁹ = 148721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149239) 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, 10653 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (42640).

2¹⁴⁹²³³ is an apocalyptic number.

It is an amenable number.

149233 is a deficient number, since it is larger than the sum of its proper divisors (21327).

149233 is an equidigital number, since it uses as much as digits as its factorization.

149233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21326.

The product of its digits is 648, while the sum is 22.

The square root of 149233 is about 386.3068728356. The cubic root of 149233 is about 53.0422115363.

The spelling of 149233 in words is "one hundred forty-nine thousand, two hundred thirty-three".