233005149 has 24 divisors (see below), whose sum is σ = 362987352. Its totient is φ = 143176320.

The previous prime is 233005147. The next prime is 233005187. The reversal of 233005149 is 941500332.

It can be written as a sum of positive squares in 4 ways, for example, as 26163225 + 206841924 = 5115^2 + 14382^2 .

It is not a de Polignac number, because 233005149 - 2¹ = 233005147 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233005141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123199 + ... + 125075.

It is an arithmetic number, because the mean of its divisors is an integer number (15124473).

Almost surely, 2^233005149 is an apocalyptic number.

It is an amenable number.

233005149 is a deficient number, since it is larger than the sum of its proper divisors (129982203).

233005149 is a wasteful number, since it uses less digits than its factorization.

233005149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 233005149 is about 15264.5061826448. The cubic root of 233005149 is about 615.3494821100.

The spelling of 233005149 in words is "two hundred thirty-three million, five thousand, one hundred forty-nine".