100045418 has 32 divisors (see below), whose sum is σ = 170449920. Its totient is φ = 43624000.

The previous prime is 100045417. The next prime is 100045433. The reversal of 100045418 is 814540001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100045393 and 100045402.

It is not an unprimeable number, because it can be changed into a prime (100045411) 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, 121448 + ... + 122268.

It is an arithmetic number, because the mean of its divisors is an integer number (5326560).

Almost surely, 2^100045418 is an apocalyptic number.

100045418 is a deficient number, since it is larger than the sum of its proper divisors (70404502).

100045418 is a wasteful number, since it uses less digits than its factorization.

100045418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 100045418 is about 10002.2706422092. The cubic root of 100045418 is about 464.2291432860.

Adding to 100045418 its reverse (814540001), we get a palindrome (914585419).

The spelling of 100045418 in words is "one hundred million, forty-five thousand, four hundred eighteen".