2145135233 has 2 divisors, whose sum is σ = 2145135234. Its totient is φ = 2145135232.

The previous prime is 2145135229. The next prime is 2145135247. The reversal of 2145135233 is 3325315412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1689867664 + 455267569 = 41108^2 + 21337^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145135233 - 2² = 2145135229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145135196 and 2145135205.

It is not a weakly prime, because it can be changed into another prime (2145135253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072567616 + 1072567617.

It is an arithmetic number, because the mean of its divisors is an integer number (1072567617).

Almost surely, 2^2145135233 is an apocalyptic number.

It is an amenable number.

2145135233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145135233 is an equidigital number, since it uses as much as digits as its factorization.

2145135233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 2145135233 is about 46315.6046381778. The cubic root of 2145135233 is about 1289.6886921817.

The spelling of 2145135233 in words is "two billion, one hundred forty-five million, one hundred thirty-five thousand, two hundred thirty-three".