100045045047 has 16 divisors (see below), whose sum is σ = 135243924480. Its totient is φ = 65777022912.

The previous prime is 100045045021. The next prime is 100045045073. The reversal of 100045045047 is 740540540001.

It is an interprime number because it is at equal distance from previous prime (100045045021) and next prime (100045045073).

It is not a de Polignac number, because 100045045047 - 2¹⁰ = 100045044023 is a prime.

It is a super-2 number, since 2×100045045047² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100045045007) 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, 627222 + ... + 770387.

It is an arithmetic number, because the mean of its divisors is an integer number (8452745280).

Almost surely, 2^100045045047 is an apocalyptic number.

100045045047 is a deficient number, since it is larger than the sum of its proper divisors (35198879433).

100045045047 is a wasteful number, since it uses less digits than its factorization.

100045045047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397942.

The product of its (nonzero) digits is 11200, while the sum is 30.

Adding to 100045045047 its reverse (740540540001), we get a palindrome (840585585048).

The spelling of 100045045047 in words is "one hundred billion, forty-five million, forty-five thousand, forty-seven".