142531423400 has 48 divisors (see below), whose sum is σ = 331418622300. Its totient is φ = 57006881280.

The previous prime is 142531423379. The next prime is 142531423403. The reversal of 142531423400 is 4324135241.

It can be written as a sum of positive squares in 6 ways, for example, as 2222745316 + 140308678084 = 47146^2 + 374578^2 .

It is not an unprimeable number, because it can be changed into a prime (142531423403) 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 11 ways as a sum of consecutive naturals, for example, 2385086 + ... + 2444114.

Almost surely, 2^142531423400 is an apocalyptic number.

142531423400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142531423400 is an abundant number, since it is smaller than the sum of its proper divisors (188887198900).

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

142531423400 is a wasteful number, since it uses less digits than its factorization.

142531423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71118 (or 71109 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 142531423400 its reverse (4324135241), we get a palindrome (146855558641).

The spelling of 142531423400 in words is "one hundred forty-two billion, five hundred thirty-one million, four hundred twenty-three thousand, four hundred".