142823361140 has 24 divisors (see below), whose sum is σ = 299945635080. Its totient is φ = 57126187008.

The previous prime is 142823361137. The next prime is 142823361143. The reversal of 142823361140 is 41163328241.

It is an interprime number because it is at equal distance from previous prime (142823361137) and next prime (142823361143).

It can be written as a sum of positive squares in 4 ways, for example, as 47744872036 + 95078489104 = 218506^2 + 308348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142823361140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142823361143) 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 7 ways as a sum of consecutive naturals, for example, 192344 + ... + 568016.

It is an arithmetic number, because the mean of its divisors is an integer number (12497734795).

Almost surely, 2^142823361140 is an apocalyptic number.

142823361140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142823361140 is an abundant number, since it is smaller than the sum of its proper divisors (157122273940).

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

142823361140 is a wasteful number, since it uses less digits than its factorization.

142823361140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394691 (or 394689 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 142823361140 its reverse (41163328241), we get a palindrome (183986689381).

The spelling of 142823361140 in words is "one hundred forty-two billion, eight hundred twenty-three million, three hundred sixty-one thousand, one hundred forty".