142421601655300 has 72 divisors (see below), whose sum is σ = 337262754239712. Its totient is φ = 51772471968000.

The previous prime is 142421601655261. The next prime is 142421601655301. The reversal of 142421601655300 is 3556106124241.

It is not an unprimeable number, because it can be changed into a prime (142421601655301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18188097 + ... + 24812296.

It is an arithmetic number, because the mean of its divisors is an integer number (4684204919996).

Almost surely, 2^{142421601655300} is an apocalyptic number.

142421601655300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142421601655300 is an abundant number, since it is smaller than the sum of its proper divisors (194841152584412).

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

142421601655300 is a wasteful number, since it uses less digits than its factorization.

142421601655300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43003429 (or 43003422 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 142421601655300 its reverse (3556106124241), we get a palindrome (145977707779541).

The spelling of 142421601655300 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred one million, six hundred fifty-five thousand, three hundred".