142004780 has 12 divisors (see below), whose sum is σ = 298210080. Its totient is φ = 56801904.

The previous prime is 142004749. The next prime is 142004789. The reversal of 142004780 is 87400241.

It is not an unprimeable number, because it can be changed into a prime (142004789) 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, 3550100 + ... + 3550139.

It is an arithmetic number, because the mean of its divisors is an integer number (24850840).

Almost surely, 2^142004780 is an apocalyptic number.

142004780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142004780 is an abundant number, since it is smaller than the sum of its proper divisors (156205300).

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

142004780 is a wasteful number, since it uses less digits than its factorization.

142004780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100248 (or 7100246 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 142004780 is about 11916.5758504698. The cubic root of 142004780 is about 521.7161984949.

The spelling of 142004780 in words is "one hundred forty-two million, four thousand, seven hundred eighty".