233356149 has 12 divisors (see below), whose sum is σ = 362998636. Its totient is φ = 143603712.

The previous prime is 233356139. The next prime is 233356199. The reversal of 233356149 is 941653332.

It is a happy number.

233356149 is a `hidden beast` number, since 2 + 3 + 3 + 35 + 614 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 146531025 + 86825124 = 12105^2 + 9318^2 .

It is not a de Polignac number, because 233356149 - 2⁵ = 233356117 is a prime.

It is a super-2 number, since 2×233356149² = 108910184552220402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233356139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997132 + ... + 997365.

Almost surely, 2^233356149 is an apocalyptic number.

It is an amenable number.

233356149 is a deficient number, since it is larger than the sum of its proper divisors (129642487).

233356149 is a wasteful number, since it uses less digits than its factorization.

233356149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994516 (or 1994513 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 233356149 is about 15275.9991162608. Note that the first 3 decimals coincide. The cubic root of 233356149 is about 615.6583154911.

The spelling of 233356149 in words is "two hundred thirty-three million, three hundred fifty-six thousand, one hundred forty-nine".