142436931280 has 160 divisors (see below), whose sum is σ = 394614743040. Its totient is φ = 46779586560.

The previous prime is 142436931269. The next prime is 142436931281. The reversal of 142436931280 is 82139634241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142436931281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2027950 + ... + 2097010.

It is an arithmetic number, because the mean of its divisors is an integer number (2466342144).

Almost surely, 2^142436931280 is an apocalyptic number.

142436931280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142436931280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197307371520).

142436931280 is an abundant number, since it is smaller than the sum of its proper divisors (252177811760).

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

142436931280 is a wasteful number, since it uses less digits than its factorization.

142436931280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69237 (or 69231 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 142436931280 in words is "one hundred forty-two billion, four hundred thirty-six million, nine hundred thirty-one thousand, two hundred eighty".