102243312725142 has 16 divisors (see below), whose sum is σ = 204487279623792. Its totient is φ = 34080995212800.

The previous prime is 102243312725137. The next prime is 102243312725143. The reversal of 102243312725142 is 241527213342201.

It is a super-2 number, since 2×102243312725142² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102243312725142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102243312725143) 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, 25213623 + ... + 28986434.

It is an arithmetic number, because the mean of its divisors is an integer number (12780454976487).

Almost surely, 2^{102243312725142} is an apocalyptic number.

102243312725142 is an abundant number, since it is smaller than the sum of its proper divisors (102243966898650).

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

102243312725142 is a wasteful number, since it uses less digits than its factorization.

102243312725142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54514463.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 102243312725142 in words is "one hundred two trillion, two hundred forty-three billion, three hundred twelve million, seven hundred twenty-five thousand, one hundred forty-two".