142540405260 has 192 divisors, whose sum is σ = 448749987840. Its totient is φ = 33508961280.

The previous prime is 142540405237. The next prime is 142540405279. The reversal of 142540405260 is 62504045241.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 3360102 + ... + 3402258.

It is an arithmetic number, because the mean of its divisors is an integer number (2337239520).

Almost surely, 2^142540405260 is an apocalyptic number.

142540405260 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 142540405260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224374993920).

142540405260 is an abundant number, since it is smaller than the sum of its proper divisors (306209582580).

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

142540405260 is a wasteful number, since it uses less digits than its factorization.

142540405260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42336 (or 42334 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 142540405260 in words is "one hundred forty-two billion, five hundred forty million, four hundred five thousand, two hundred sixty".