142047880 has 48 divisors (see below), whose sum is σ = 346100580. Its totient is φ = 52445952.

The previous prime is 142047863. The next prime is 142047883. The reversal of 142047880 is 88740241.

142047880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 580644 + 141467236 = 762^2 + 11894^2 .

It is not an unprimeable number, because it can be changed into a prime (142047883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3747 + ... + 17266.

Almost surely, 2^142047880 is an apocalyptic number.

142047880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142047880 is an abundant number, since it is smaller than the sum of its proper divisors (204052700).

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

142047880 is a wasteful number, since it uses less digits than its factorization.

142047880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21050 (or 21033 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 142047880 is about 11918.3841186631. The cubic root of 142047880 is about 521.7689753419.

The spelling of 142047880 in words is "one hundred forty-two million, forty-seven thousand, eight hundred eighty".