100442545001 has 4 divisors (see below), whose sum is σ = 100446666372. Its totient is φ = 100438423632.

The previous prime is 100442544991. The next prime is 100442545013. The reversal of 100442545001 is 100545244001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26025432976 + 74417112025 = 161324^2 + 272795^2 .

It is a cyclic number.

It is not a de Polignac number, because 100442545001 - 2²² = 100438350697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100442545061) 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, 2023910 + ... + 2072943.

It is an arithmetic number, because the mean of its divisors is an integer number (25111666593).

Almost surely, 2^100442545001 is an apocalyptic number.

It is an amenable number.

100442545001 is a deficient number, since it is larger than the sum of its proper divisors (4121371).

100442545001 is an equidigital number, since it uses as much as digits as its factorization.

100442545001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121370.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 100442545001 its reverse (100545244001), we get a palindrome (200987789002).

The spelling of 100442545001 in words is "one hundred billion, four hundred forty-two million, five hundred forty-five thousand, one".