64223452142 has 96 divisors (see below), whose sum is σ = 109538140320. Its totient is φ = 28182855680.

The previous prime is 64223452123. The next prime is 64223452177. The reversal of 64223452142 is 24125432246.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 77657933 + ... + 77658759.

It is an arithmetic number, because the mean of its divisors is an integer number (1141022295).

Almost surely, 2^64223452142 is an apocalyptic number.

64223452142 is a deficient number, since it is larger than the sum of its proper divisors (45314688178).

64223452142 is a wasteful number, since it uses less digits than its factorization.

64223452142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1029 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

Adding to 64223452142 its reverse (24125432246), we get a palindrome (88348884388).

The spelling of 64223452142 in words is "sixty-four billion, two hundred twenty-three million, four hundred fifty-two thousand, one hundred forty-two".