64144113 has 16 divisors (see below), whose sum is σ = 93830400. Its totient is φ = 38654480.

The previous prime is 64144109. The next prime is 64144117. The reversal of 64144113 is 31144146.

It is an interprime number because it is at equal distance from previous prime (64144109) and next prime (64144117).

It is a cyclic number.

It is not a de Polignac number, because 64144113 - 2² = 64144109 is a prime.

It is a super-2 number, since 2×64144113² = 8228934465113538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64144117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (5864400).

Almost surely, 2^64144113 is an apocalyptic number.

It is an amenable number.

64144113 is a deficient number, since it is larger than the sum of its proper divisors (29686287).

64144113 is a wasteful number, since it uses less digits than its factorization.

64144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052.

The product of its digits is 1152, while the sum is 24.

The square root of 64144113 is about 8009.0019977523. The cubic root of 64144113 is about 400.3000103449.

Adding to 64144113 its reverse (31144146), we get a palindrome (95288259).

The spelling of 64144113 in words is "sixty-four million, one hundred forty-four thousand, one hundred thirteen".