142555212034240 has 56 divisors (see below), whose sum is σ = 339490798680240. Its totient is φ = 57016843865088.

The previous prime is 142555212034217. The next prime is 142555212034247. The reversal of 142555212034240 is 42430212555241.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 142555212034193 and 142555212034202.

It is not an unprimeable number, because it can be changed into a prime (142555212034247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16984455 + ... + 23949574.

Almost surely, 2^{142555212034240} is an apocalyptic number.

142555212034240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142555212034240 is an abundant number, since it is smaller than the sum of its proper divisors (196935586646000).

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

142555212034240 is a wasteful number, since it uses less digits than its factorization.

142555212034240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40944929 (or 40944919 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 142555212034240 its reverse (42430212555241), we get a palindrome (184985424589481).

The spelling of 142555212034240 in words is "one hundred forty-two trillion, five hundred fifty-five billion, two hundred twelve million, thirty-four thousand, two hundred forty".