100378142 has 8 divisors (see below), whose sum is σ = 151347936. Its totient is φ = 49928832.

The previous prime is 100378079. The next prime is 100378147. The reversal of 100378142 is 241873001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100378147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129638 + ... + 130409.

It is an arithmetic number, because the mean of its divisors is an integer number (18918492).

Almost surely, 2^100378142 is an apocalyptic number.

100378142 is a deficient number, since it is larger than the sum of its proper divisors (50969794).

100378142 is a wasteful number, since it uses less digits than its factorization.

100378142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260242.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 100378142 is about 10018.8892597932. The cubic root of 100378142 is about 464.7432073491.

The spelling of 100378142 in words is "one hundred million, three hundred seventy-eight thousand, one hundred forty-two".