142171530655740 has 24 divisors (see below), whose sum is σ = 398080285836240. Its totient is φ = 37912408174848.

The previous prime is 142171530655727. The next prime is 142171530655741. The reversal of 142171530655740 is 47556035171241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142171530655741) 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, 1184762755405 + ... + 1184762755524.

It is an arithmetic number, because the mean of its divisors is an integer number (16586678576510).

Almost surely, 2^{142171530655740} is an apocalyptic number.

142171530655740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142171530655740 is an abundant number, since it is smaller than the sum of its proper divisors (255908755180500).

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

142171530655740 is a wasteful number, since it uses less digits than its factorization.

142171530655740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369525510941 (or 2369525510939 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 142171530655740 in words is "one hundred forty-two trillion, one hundred seventy-one billion, five hundred thirty million, six hundred fifty-five thousand, seven hundred forty".