142457888 has 24 divisors (see below), whose sum is σ = 282096108. Its totient is φ = 70814464.

The previous prime is 142457873. The next prime is 142457891. The reversal of 142457888 is 888754241.

It can be written as a sum of positive squares in 2 ways, for example, as 142372624 + 85264 = 11932^2 + 292^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7331 + ... + 18402.

Almost surely, 2^142457888 is an apocalyptic number.

It is an amenable number.

142457888 is a deficient number, since it is larger than the sum of its proper divisors (139638220).

142457888 is a wasteful number, since it uses less digits than its factorization.

142457888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25916 (or 25908 counting only the distinct ones).

The product of its digits is 573440, while the sum is 47.

The square root of 142457888 is about 11935.5723783990. The cubic root of 142457888 is about 522.2705056576.

The spelling of 142457888 in words is "one hundred forty-two million, four hundred fifty-seven thousand, eight hundred eighty-eight".