100204142 has 4 divisors (see below), whose sum is σ = 150306216. Its totient is φ = 50102070.

The previous prime is 100204073. The next prime is 100204163. The reversal of 100204142 is 241402001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25051034 + ... + 25051037.

It is an arithmetic number, because the mean of its divisors is an integer number (37576554).

Almost surely, 2^100204142 is an apocalyptic number.

100204142 is a deficient number, since it is larger than the sum of its proper divisors (50102074).

100204142 is an equidigital number, since it uses as much as digits as its factorization.

100204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50102073.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100204142 is about 10010.2018960658. The cubic root of 100204142 is about 464.4745164213.

Adding to 100204142 its reverse (241402001), we get a palindrome (341606143).

The spelling of 100204142 in words is "one hundred million, two hundred four thousand, one hundred forty-two".