64214143 has 8 divisors (see below), whose sum is σ = 73443488. Its totient is φ = 54998784.

The previous prime is 64214131. The next prime is 64214147. The reversal of 64214143 is 34141246.

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 64214143 - 2¹³ = 64205951 is a prime.

It is a super-2 number, since 2×64214143² = 8246912322448898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64214147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9655 + ... + 14887.

It is an arithmetic number, because the mean of its divisors is an integer number (9180436).

Almost surely, 2^64214143 is an apocalyptic number.

64214143 is a deficient number, since it is larger than the sum of its proper divisors (9229345).

64214143 is a wasteful number, since it uses less digits than its factorization.

64214143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993.

The product of its digits is 2304, while the sum is 25.

The square root of 64214143 is about 8013.3727605797. The cubic root of 64214143 is about 400.4456345902.

Adding to 64214143 its reverse (34141246), we get a palindrome (98355389).

The spelling of 64214143 in words is "sixty-four million, two hundred fourteen thousand, one hundred forty-three".