100542142 has 8 divisors (see below), whose sum is σ = 151812432. Its totient is φ = 49938000.

The previous prime is 100542137. The next prime is 100542151. The reversal of 100542142 is 241245001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166159 + ... + 166762.

It is an arithmetic number, because the mean of its divisors is an integer number (18976554).

Almost surely, 2^100542142 is an apocalyptic number.

100542142 is a deficient number, since it is larger than the sum of its proper divisors (51270290).

100542142 is a wasteful number, since it uses less digits than its factorization.

100542142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333074.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 100542142 is about 10027.0704595111. The cubic root of 100542142 is about 464.9961721657.

Adding to 100542142 its reverse (241245001), we get a palindrome (341787143).

The spelling of 100542142 in words is "one hundred million, five hundred forty-two thousand, one hundred forty-two".