100300045 has 4 divisors (see below), whose sum is σ = 120360060. Its totient is φ = 80240032.

The previous prime is 100300027. The next prime is 100300087. The reversal of 100300045 is 540003001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540003001 = 271 ⋅1992631.

It can be written as a sum of positive squares in 2 ways, for example, as 53978409 + 46321636 = 7347^2 + 6806^2 .

It is a cyclic number.

It is not a de Polignac number, because 100300045 - 2⁹ = 100299533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100299998 and 100300034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10030000 + ... + 10030009.

It is an arithmetic number, because the mean of its divisors is an integer number (30090015).

Almost surely, 2^100300045 is an apocalyptic number.

It is an amenable number.

100300045 is a deficient number, since it is larger than the sum of its proper divisors (20060015).

100300045 is an equidigital number, since it uses as much as digits as its factorization.

100300045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20060014.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 100300045 is about 10014.9910134757. The cubic root of 100300045 is about 464.6226483427.

Adding to 100300045 its reverse (540003001), we get a palindrome (640303046).

The spelling of 100300045 in words is "one hundred million, three hundred thousand, forty-five".