100436142 has 32 divisors (see below), whose sum is σ = 208293120. Its totient is φ = 32262080.

The previous prime is 100436129. The next prime is 100436143. The reversal of 100436142 is 241634001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100436143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17959 + ... + 22877.

It is an arithmetic number, because the mean of its divisors is an integer number (6509160).

Almost surely, 2^100436142 is an apocalyptic number.

100436142 is an abundant number, since it is smaller than the sum of its proper divisors (107856978).

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

100436142 is a wasteful number, since it uses less digits than its factorization.

100436142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 100436142 is about 10021.7833742304. The cubic root of 100436142 is about 464.8327019857.

The spelling of 100436142 in words is "one hundred million, four hundred thirty-six thousand, one hundred forty-two".