64152231 has 24 divisors (see below), whose sum is σ = 101051136. Its totient is φ = 35886240.

The previous prime is 64152197. The next prime is 64152233. The reversal of 64152231 is 13225146.

It is not a de Polignac number, because 64152231 - 2⁹ = 64151719 is a prime.

It is a super-2 number, since 2×64152231² = 8231017484554722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64152233) 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, 175 + ... + 11328.

It is an arithmetic number, because the mean of its divisors is an integer number (4210464).

Almost surely, 2^64152231 is an apocalyptic number.

64152231 is a deficient number, since it is larger than the sum of its proper divisors (36898905).

64152231 is a wasteful number, since it uses less digits than its factorization.

64152231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543 (or 11530 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 64152231 is about 8009.5087864363. The cubic root of 64152231 is about 400.3168967914.

Adding to 64152231 its reverse (13225146), we get a palindrome (77377377).

It can be divided in two parts, 6415 and 2231, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 64152231 in words is "sixty-four million, one hundred fifty-two thousand, two hundred thirty-one".