100045774 has 16 divisors (see below), whose sum is σ = 151861248. Its totient is φ = 49428792.

The previous prime is 100045747. The next prime is 100045819. The reversal of 100045774 is 477540001.

It is a congruent number.

It is an unprimeable number.

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, 77337 + ... + 78619.

It is an arithmetic number, because the mean of its divisors is an integer number (9491328).

Almost surely, 2^100045774 is an apocalyptic number.

100045774 is a deficient number, since it is larger than the sum of its proper divisors (51815474).

100045774 is a wasteful number, since it uses less digits than its factorization.

100045774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 100045774 is about 10002.2884381525. The cubic root of 100045774 is about 464.2296939205.

Adding to 100045774 its reverse (477540001), we get a palindrome (577585775).

The spelling of 100045774 in words is "one hundred million, forty-five thousand, seven hundred seventy-four".