142789782 has 32 divisors (see below), whose sum is σ = 297538560. Its totient is φ = 45632160.

The previous prime is 142789781. The next prime is 142789789. The reversal of 142789782 is 287987241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142789781) 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 15 ways as a sum of consecutive naturals, for example, 16753 + ... + 23795.

It is an arithmetic number, because the mean of its divisors is an integer number (9298080).

Almost surely, 2^142789782 is an apocalyptic number.

142789782 is an abundant number, since it is smaller than the sum of its proper divisors (154748778).

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

142789782 is a wasteful number, since it uses less digits than its factorization.

142789782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188.

The product of its digits is 451584, while the sum is 48.

The square root of 142789782 is about 11949.4678542603. The cubic root of 142789782 is about 522.6757810007.

The spelling of 142789782 in words is "one hundred forty-two million, seven hundred eighty-nine thousand, seven hundred eighty-two".