100481142 has 16 divisors (see below), whose sum is σ = 203716080. Its totient is φ = 33034752.

The previous prime is 100481141. The next prime is 100481167. The reversal of 100481142 is 241184001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100481141) 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 7 ways as a sum of consecutive naturals, for example, 114267 + ... + 115142.

It is an arithmetic number, because the mean of its divisors is an integer number (12732255).

Almost surely, 2^100481142 is an apocalyptic number.

100481142 is an abundant number, since it is smaller than the sum of its proper divisors (103234938).

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

100481142 is a wasteful number, since it uses less digits than its factorization.

100481142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229487.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 100481142 is about 10024.0282322029. The cubic root of 100481142 is about 464.9021137464.

The spelling of 100481142 in words is "one hundred million, four hundred eighty-one thousand, one hundred forty-two".