45195134121 has 12 divisors (see below), whose sum is σ = 65535878772. Its totient is φ = 30012850176.

The previous prime is 45195134093. The next prime is 45195134137. The reversal of 45195134121 is 12143159154.

45195134121 is a `hidden beast` number, since 4 + 5 + 19 + 513 + 4 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32378403600 + 12816730521 = 179940^2 + 113211^2 .

It is not a de Polignac number, because 45195134121 - 2³⁰ = 44121392297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45195134141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9767496 + ... + 9772121.

It is an arithmetic number, because the mean of its divisors is an integer number (5461323231).

Almost surely, 2^45195134121 is an apocalyptic number.

It is an amenable number.

45195134121 is a deficient number, since it is larger than the sum of its proper divisors (20340744651).

45195134121 is a wasteful number, since it uses less digits than its factorization.

45195134121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19539880 (or 19539877 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 45195134121 in words is "forty-five billion, one hundred ninety-five million, one hundred thirty-four thousand, one hundred twenty-one".