142665256672 has 24 divisors (see below), whose sum is σ = 280954733976. Its totient is φ = 71311673472.

The previous prime is 142665256649. The next prime is 142665256673. The reversal of 142665256672 is 276652566241.

It is a super-2 number, since 2×142665256672² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142665256673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543918 + ... + 762349.

It is an arithmetic number, because the mean of its divisors is an integer number (11706447249).

Almost surely, 2^142665256672 is an apocalyptic number.

It is an amenable number.

142665256672 is a deficient number, since it is larger than the sum of its proper divisors (138289477304).

142665256672 is a wasteful number, since it uses less digits than its factorization.

142665256672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309690 (or 1309682 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 142665256672 in words is "one hundred forty-two billion, six hundred sixty-five million, two hundred fifty-six thousand, six hundred seventy-two".