100700045 has 8 divisors (see below), whose sum is σ = 121026840. Its totient is φ = 80435520.

The previous prime is 100700009. The next prime is 100700087. The reversal of 100700045 is 540007001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22306729 + 78393316 = 4723^2 + 8854^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100700045 - 2¹⁰ = 100699021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100699996 and 100700032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11930 + ... + 18539.

It is an arithmetic number, because the mean of its divisors is an integer number (15128355).

Almost surely, 2^100700045 is an apocalyptic number.

It is an amenable number.

100700045 is a deficient number, since it is larger than the sum of its proper divisors (20326795).

100700045 is an equidigital number, since it uses as much as digits as its factorization.

100700045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31135.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 100700045 is about 10034.9412056075. The cubic root of 100700045 is about 465.2394727513.

Adding to 100700045 its reverse (540007001), we get a palindrome (640707046).

The spelling of 100700045 in words is "one hundred million, seven hundred thousand, forty-five".