142536431532 has 192 divisors, whose sum is σ = 375063994368. Its totient is φ = 41764896000.

The previous prime is 142536431509. The next prime is 142536431563. The reversal of 142536431532 is 235134635241.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181113243 + ... + 181114029.

It is an arithmetic number, because the mean of its divisors is an integer number (1953458304).

Almost surely, 2^142536431532 is an apocalyptic number.

142536431532 is a gapful number since it is divisible by the number (12) 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 142536431532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187531997184).

142536431532 is an abundant number, since it is smaller than the sum of its proper divisors (232527562836).

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

142536431532 is a wasteful number, since it uses less digits than its factorization.

142536431532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1218 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The spelling of 142536431532 in words is "one hundred forty-two billion, five hundred thirty-six million, four hundred thirty-one thousand, five hundred thirty-two".