45100592161 has 3 divisors (see below), whose sum is σ = 45100804531. Its totient is φ = 45100379792.

The previous prime is 45100592143. The next prime is 45100592167. The reversal of 45100592161 is 16129500154.

It is a happy number.

The square root of 45100592161 is 212369.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 30565878561 + 14534713600 = 174831^2 + 120560^2 .

It is not a de Polignac number, because 45100592161 - 2¹⁵ = 45100559393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45100592167) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 106185 + ... + 318553.

Almost surely, 2^45100592161 is an apocalyptic number.

45100592161 is the 212369-th square number.

45100592161 is the 106185-th centered octagonal number.

It is an amenable number.

45100592161 is a deficient number, since it is larger than the sum of its proper divisors (212370).

45100592161 is an frugal number, since it uses more digits than its factorization.

45100592161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424738 (or 212369 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 45100592161 in words is "forty-five billion, one hundred million, five hundred ninety-two thousand, one hundred sixty-one".