142554621321660 has 96 divisors (see below), whose sum is σ = 403971997992192. Its totient is φ = 37558237893120.

The previous prime is 142554621321647. The next prime is 142554621321661. The reversal of 142554621321660 is 66123126455241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142554621321661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39361342 + ... + 42830181.

It is an arithmetic number, because the mean of its divisors is an integer number (4208041645752).

Almost surely, 2^{142554621321660} is an apocalyptic number.

142554621321660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142554621321660 is an abundant number, since it is smaller than the sum of its proper divisors (261417376670532).

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

142554621321660 is a wasteful number, since it uses less digits than its factorization.

142554621321660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82191883 (or 82191881 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 142554621321660 in words is "one hundred forty-two trillion, five hundred fifty-four billion, six hundred twenty-one million, three hundred twenty-one thousand, six hundred sixty".