142001268652 has 24 divisors (see below), whose sum is σ = 249159859200. Its totient is φ = 70812904656.

The previous prime is 142001268649. The next prime is 142001268653. The reversal of 142001268652 is 256862100241.

It is not an unprimeable number, because it can be changed into a prime (142001268653) 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, 3580443 + ... + 3619885.

It is an arithmetic number, because the mean of its divisors is an integer number (10381660800).

Almost surely, 2^142001268652 is an apocalyptic number.

It is an amenable number.

142001268652 is a deficient number, since it is larger than the sum of its proper divisors (107158590548).

142001268652 is a wasteful number, since it uses less digits than its factorization.

142001268652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41805 (or 41803 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 142001268652 its reverse (256862100241), we get a palindrome (398863368893).

The spelling of 142001268652 in words is "one hundred forty-two billion, one million, two hundred sixty-eight thousand, six hundred fifty-two".