64023144 has 16 divisors (see below), whose sum is σ = 160057920. Its totient is φ = 21341040.

The previous prime is 64023143. The next prime is 64023199. The reversal of 64023144 is 44132046.

64023144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2667631 = 64023144 / (6 + 4 + 0 + 2 + 3 + 1 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (64023143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333792 + ... + 1333839.

It is an arithmetic number, because the mean of its divisors is an integer number (10003620).

Almost surely, 2^64023144 is an apocalyptic number.

It is an amenable number.

64023144 is an abundant number, since it is smaller than the sum of its proper divisors (96034776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64023144 is a wasteful number, since it uses less digits than its factorization.

64023144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667640 (or 2667636 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 64023144 is about 8001.4463692510. The cubic root of 64023144 is about 400.0482108557.

The spelling of 64023144 in words is "sixty-four million, twenty-three thousand, one hundred forty-four".