100602461945 has 4 divisors (see below), whose sum is σ = 120722954340. Its totient is φ = 80481969552.

The previous prime is 100602461929. The next prime is 100602461963. The reversal of 100602461945 is 549164206001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549164206001 = 348433 ⋅1576097.

It can be written as a sum of positive squares in 2 ways, for example, as 34304966656 + 66297495289 = 185216^2 + 257483^2 .

It is a cyclic number.

It is not a de Polignac number, because 100602461945 - 2⁴ = 100602461929 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100602461899 and 100602461908.

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, 10060246190 + ... + 10060246199.

It is an arithmetic number, because the mean of its divisors is an integer number (30180738585).

Almost surely, 2^100602461945 is an apocalyptic number.

It is an amenable number.

100602461945 is a deficient number, since it is larger than the sum of its proper divisors (20120492395).

100602461945 is an equidigital number, since it uses as much as digits as its factorization.

100602461945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20120492394.

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 100602461945 its reverse (549164206001), we get a palindrome (649766667946).

The spelling of 100602461945 in words is "one hundred billion, six hundred two million, four hundred sixty-one thousand, nine hundred forty-five".