100045436 has 12 divisors (see below), whose sum is σ = 175679112. Its totient is φ = 49851408.

The previous prime is 100045433. The next prime is 100045457. The reversal of 100045436 is 634540001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100045433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41510 + ... + 43853.

It is an arithmetic number, because the mean of its divisors is an integer number (14639926).

Almost surely, 2^100045436 is an apocalyptic number.

It is an amenable number.

100045436 is a deficient number, since it is larger than the sum of its proper divisors (75633676).

100045436 is a wasteful number, since it uses less digits than its factorization.

100045436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85660 (or 85658 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 100045436 is about 10002.2715420048. The cubic root of 100045436 is about 464.2291711271.

Adding to 100045436 its reverse (634540001), we get a palindrome (734585437).

The spelling of 100045436 in words is "one hundred million, forty-five thousand, four hundred thirty-six".