142852278 has 64 divisors (see below), whose sum is σ = 308385792. Its totient is φ = 44029440.

The previous prime is 142852273. The next prime is 142852327. The reversal of 142852278 is 872258241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142852273) 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 in 31 ways as a sum of consecutive naturals, for example, 423726 + ... + 424062.

It is an arithmetic number, because the mean of its divisors is an integer number (4818528).

Almost surely, 2^142852278 is an apocalyptic number.

142852278 is an abundant number, since it is smaller than the sum of its proper divisors (165533514).

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

142852278 is a wasteful number, since it uses less digits than its factorization.

142852278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 71680, while the sum is 39.

The square root of 142852278 is about 11952.0825800360. The cubic root of 142852278 is about 522.7520245075.

The spelling of 142852278 in words is "one hundred forty-two million, eight hundred fifty-two thousand, two hundred seventy-eight".