142668576 has 36 divisors (see below), whose sum is σ = 405714582. Its totient is φ = 47556096.

The previous prime is 142668553. The next prime is 142668577. The reversal of 142668576 is 675866241.

142668576 is a `hidden beast` number, since 14 + 2 + 6 + 68 + 576 = 666.

It can be written as a sum of positive squares in only one way, i.e., 142563600 + 104976 = 11940^2 + 324^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (142668577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247401 + ... + 247976.

Almost surely, 2^142668576 is an apocalyptic number.

142668576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142668576 is an abundant number, since it is smaller than the sum of its proper divisors (263046006).

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

142668576 is a wasteful number, since it uses less digits than its factorization.

142668576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495393 (or 495382 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 142668576 is about 11944.3951709578. The cubic root of 142668576 is about 522.5278493737.

The spelling of 142668576 in words is "one hundred forty-two million, six hundred sixty-eight thousand, five hundred seventy-six".