64462143 has 8 divisors (see below), whose sum is σ = 86386608. Its totient is φ = 42756224.

The previous prime is 64462141. The next prime is 64462163. The reversal of 64462143 is 34126446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64462143 - 2¹ = 64462141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64462143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64462141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53946 + ... + 55127.

It is an arithmetic number, because the mean of its divisors is an integer number (10798326).

Almost surely, 2^64462143 is an apocalyptic number.

64462143 is a deficient number, since it is larger than the sum of its proper divisors (21924465).

64462143 is a wasteful number, since it uses less digits than its factorization.

64462143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109273.

The product of its digits is 13824, while the sum is 30.

The square root of 64462143 is about 8028.8319822998. The cubic root of 64462143 is about 400.9604897194.

Adding to 64462143 its reverse (34126446), we get a palindrome (98588589).

The spelling of 64462143 in words is "sixty-four million, four hundred sixty-two thousand, one hundred forty-three".