64145203 has 2 divisors, whose sum is σ = 64145204. Its totient is φ = 64145202.

The previous prime is 64145189. The next prime is 64145219. The reversal of 64145203 is 30254146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64145203 - 2¹⁷ = 64014131 is a prime.

It is a super-2 number, since 2×64145203² = 8229214135822418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64145243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32072601 + 32072602.

It is an arithmetic number, because the mean of its divisors is an integer number (32072602).

Almost surely, 2^64145203 is an apocalyptic number.

64145203 is a deficient number, since it is larger than the sum of its proper divisors (1).

64145203 is an equidigital number, since it uses as much as digits as its factorization.

64145203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64145203 is about 8009.0700458917. The cubic root of 64145203 is about 400.3022777628.

Adding to 64145203 its reverse (30254146), we get a palindrome (94399349).

The spelling of 64145203 in words is "sixty-four million, one hundred forty-five thousand, two hundred three".