100543454245 has 16 divisors (see below), whose sum is σ = 131219554032. Its totient is φ = 73512345600.

The previous prime is 100543454239. The next prime is 100543454303. The reversal of 100543454245 is 542454345001.

It can be written as a sum of positive squares in 8 ways, for example, as 2127607876 + 98415846369 = 46126^2 + 313713^2 .

It is not a de Polignac number, because 100543454245 - 2¹⁵ = 100543421477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7650972 + ... + 7664101.

It is an arithmetic number, because the mean of its divisors is an integer number (8201222127).

Almost surely, 2^100543454245 is an apocalyptic number.

It is an amenable number.

100543454245 is a deficient number, since it is larger than the sum of its proper divisors (30676099787).

100543454245 is a wasteful number, since it uses less digits than its factorization.

100543454245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315192.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 100543454245 its reverse (542454345001), we get a palindrome (642997799246).

It can be divided in two parts, 100 and 543454245, that added together give a palindrome (543454345).

The spelling of 100543454245 in words is "one hundred billion, five hundred forty-three million, four hundred fifty-four thousand, two hundred forty-five".