142988776 has 16 divisors (see below), whose sum is σ = 306404640. Its totient is φ = 61280880.

The previous prime is 142988773. The next prime is 142988777. The reversal of 142988776 is 677889241.

142988776 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142988773) by changing a digit.

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, 1276630 + ... + 1276741.

It is an arithmetic number, because the mean of its divisors is an integer number (19150290).

Almost surely, 2^142988776 is an apocalyptic number.

It is an amenable number.

142988776 is an abundant number, since it is smaller than the sum of its proper divisors (163415864).

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

142988776 is a wasteful number, since it uses less digits than its factorization.

142988776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553384 (or 2553380 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 142988776 is about 11957.7914348763. The cubic root of 142988776 is about 522.9184712547.

The spelling of 142988776 in words is "one hundred forty-two million, nine hundred eighty-eight thousand, seven hundred seventy-six".