142421602506100 has 36 divisors (see below), whose sum is σ = 316592801287308. Its totient is φ = 55579161952000.

The previous prime is 142421602506091. The next prime is 142421602506107. The reversal of 142421602506100 is 1605206124241.

It can be written as a sum of positive squares in 6 ways, for example, as 34519244094864 + 107902358411236 = 5875308^2 + 10387606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421602506107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17368484011 + ... + 17368492210.

It is an arithmetic number, because the mean of its divisors is an integer number (8794244480203).

Almost surely, 2^{142421602506100} is an apocalyptic number.

142421602506100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142421602506100 is an abundant number, since it is smaller than the sum of its proper divisors (174171198781208).

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

142421602506100 is a wasteful number, since it uses less digits than its factorization.

142421602506100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34736976276 (or 34736976269 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 142421602506100 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred two million, five hundred six thousand, one hundred".