142854856 has 8 divisors (see below), whose sum is σ = 267852870. Its totient is φ = 71427424.

The previous prime is 142854853. The next prime is 142854857. The reversal of 142854856 is 658458241.

It can be written as a sum of positive squares in only one way, i.e., 90060100 + 52794756 = 9490^2 + 7266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (142854853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8928421 + ... + 8928436.

Almost surely, 2^142854856 is an apocalyptic number.

It is an amenable number.

142854856 is a deficient number, since it is larger than the sum of its proper divisors (124998014).

142854856 is a wasteful number, since it uses less digits than its factorization.

142854856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17856863 (or 17856859 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The square root of 142854856 is about 11952.1904268632. The cubic root of 142854856 is about 522.7551691234.

The spelling of 142854856 in words is "one hundred forty-two million, eight hundred fifty-four thousand, eight hundred fifty-six".