64146233 has 2 divisors, whose sum is σ = 64146234. Its totient is φ = 64146232.

The previous prime is 64146227. The next prime is 64146259. The reversal of 64146233 is 33264146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59182249 + 4963984 = 7693^2 + 2228^2 .

It is a cyclic number.

It is not a de Polignac number, because 64146233 - 2⁶ = 64146169 is a prime.

It is a super-2 number, since 2×64146233² = 8229478416180578, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64146196 and 64146205.

It is not a weakly prime, because it can be changed into another prime (64146283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32073116 + 32073117.

It is an arithmetic number, because the mean of its divisors is an integer number (32073117).

Almost surely, 2^64146233 is an apocalyptic number.

It is an amenable number.

64146233 is a deficient number, since it is larger than the sum of its proper divisors (1).

64146233 is an equidigital number, since it uses as much as digits as its factorization.

64146233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 64146233 is about 8009.1343477307. The cubic root of 64146233 is about 400.3044203452.

The spelling of 64146233 in words is "sixty-four million, one hundred forty-six thousand, two hundred thirty-three".