100045134 has 24 divisors (see below), whose sum is σ = 247731120. Its totient is φ = 28584288.

The previous prime is 100045123. The next prime is 100045163. The reversal of 100045134 is 431540001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396879 + ... + 397130.

It is an arithmetic number, because the mean of its divisors is an integer number (10322130).

Almost surely, 2^100045134 is an apocalyptic number.

100045134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

100045134 is an abundant number, since it is smaller than the sum of its proper divisors (147685986).

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

100045134 is a wasteful number, since it uses less digits than its factorization.

100045134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794024 (or 794021 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100045134 is about 10002.2564454227. The cubic root of 100045134 is about 464.2287040149.

Adding to 100045134 its reverse (431540001), we get a palindrome (531585135).

The spelling of 100045134 in words is "one hundred million, forty-five thousand, one hundred thirty-four".