45021420405112 has 16 divisors (see below), whose sum is σ = 84463483356360. Its totient is φ = 22497824843424.

The previous prime is 45021420405097. The next prime is 45021420405119. The reversal of 45021420405112 is 21150402412054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45021420405119) 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, 1610655043 + ... + 1610682994.

Almost surely, 2^{45021420405112} is an apocalyptic number.

It is an amenable number.

45021420405112 is a deficient number, since it is larger than the sum of its proper divisors (39442062951248).

45021420405112 is a wasteful number, since it uses less digits than its factorization.

45021420405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221339790 (or 3221339786 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 45021420405112 its reverse (21150402412054), we get a palindrome (66171822817166).

The spelling of 45021420405112 in words is "forty-five trillion, twenty-one billion, four hundred twenty million, four hundred five thousand, one hundred twelve".