142768770 has 16 divisors (see below), whose sum is σ = 342645120. Its totient is φ = 38071664.

The previous prime is 142768757. The next prime is 142768781. The reversal of 142768770 is 77867241.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379450 + ... + 2379509.

It is an arithmetic number, because the mean of its divisors is an integer number (21415320).

Almost surely, 2^142768770 is an apocalyptic number.

142768770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142768770 is an abundant number, since it is smaller than the sum of its proper divisors (199876350).

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

142768770 is a wasteful number, since it uses less digits than its factorization.

142768770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758969.

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 142768770 is about 11948.5886195818. The cubic root of 142768770 is about 522.6501419059.

The spelling of 142768770 in words is "one hundred forty-two million, seven hundred sixty-eight thousand, seven hundred seventy".