202105114542 has 24 divisors (see below), whose sum is σ = 437943351144. Its totient is φ = 67360842864.

The previous prime is 202105114489. The next prime is 202105114559. The reversal of 202105114542 is 245411501202.

It is a happy number.

202105114542 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 0 + 5 + 114 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460648 + ... + 785115.

It is an arithmetic number, because the mean of its divisors is an integer number (18247639631).

Almost surely, 2^202105114542 is an apocalyptic number.

202105114542 is an abundant number, since it is smaller than the sum of its proper divisors (235838236602).

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

202105114542 is a wasteful number, since it uses less digits than its factorization.

202105114542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254784 (or 1254781 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 202105114542 its reverse (245411501202), we get a palindrome (447516615744).

The spelling of 202105114542 in words is "two hundred two billion, one hundred five million, one hundred fourteen thousand, five hundred forty-two".