45254531222112 has 96 divisors (see below), whose sum is σ = 119414391989760. Its totient is φ = 15005962690560.

The previous prime is 45254531222101. The next prime is 45254531222113. The reversal of 45254531222112 is 21122213545254.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×45254531222112² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45254531222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500785189 + ... + 500875547.

It is an arithmetic number, because the mean of its divisors is an integer number (1243899916560).

Almost surely, 2^{45254531222112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45254531222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59707195994880).

45254531222112 is an abundant number, since it is smaller than the sum of its proper divisors (74159860767648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45254531222112 is a wasteful number, since it uses less digits than its factorization.

45254531222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117596 (or 117588 counting only the distinct ones).

The product of its digits is 192000, while the sum is 39.

Adding to 45254531222112 its reverse (21122213545254), we get a palindrome (66376744767366).

The spelling of 45254531222112 in words is "forty-five trillion, two hundred fifty-four billion, five hundred thirty-one million, two hundred twenty-two thousand, one hundred twelve".