45534251404121 has 4 divisors (see below), whose sum is σ = 48212736780852. Its totient is φ = 42855766027392.

The previous prime is 45534251404073. The next prime is 45534251404171. The reversal of 45534251404121 is 12140415243554.

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 20489781646096 + 25044469758025 = 4526564^2 + 5004445^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45534251404121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45534251404171) 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, 1339242688340 + ... + 1339242688373.

It is an arithmetic number, because the mean of its divisors is an integer number (12053184195213).

Almost surely, 2^{45534251404121} is an apocalyptic number.

It is an amenable number.

45534251404121 is a deficient number, since it is larger than the sum of its proper divisors (2678485376731).

45534251404121 is a wasteful number, since it uses less digits than its factorization.

45534251404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678485376730.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 45534251404121 its reverse (12140415243554), we get a palindrome (57674666647675).

The spelling of 45534251404121 in words is "forty-five trillion, five hundred thirty-four billion, two hundred fifty-one million, four hundred four thousand, one hundred twenty-one".