64144037 has 2 divisors, whose sum is σ = 64144038. Its totient is φ = 64144036.

The previous prime is 64144013. The next prime is 64144099. The reversal of 64144037 is 73044146.

64144037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 13535041 = 7114^2 + 3679^2 .

It is a cyclic number.

It is not a de Polignac number, because 64144037 - 2⁶ = 64143973 is a prime.

It is a super-2 number, since 2×64144037² = 8228914965314738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64144007) 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 as a sum of consecutive naturals, namely, 32072018 + 32072019.

It is an arithmetic number, because the mean of its divisors is an integer number (32072019).

Almost surely, 2^64144037 is an apocalyptic number.

It is an amenable number.

64144037 is a deficient number, since it is larger than the sum of its proper divisors (1).

64144037 is an equidigital number, since it uses as much as digits as its factorization.

64144037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 64144037 is about 8008.9972530898. The cubic root of 64144037 is about 400.2998522487.

The spelling of 64144037 in words is "sixty-four million, one hundred forty-four thousand, thirty-seven".