45289244985216 has 64 divisors (see below), whose sum is σ = 120374139888720. Its totient is φ = 15087055572992.

The previous prime is 45289244985137. The next prime is 45289244985217. The reversal of 45289244985216 is 61258944298254.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×45289244985216² (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 (45289244985217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35940045 + ... + 37178828.

Almost surely, 2^{45289244985216} is an apocalyptic number.

It is an amenable number.

45289244985216 is an abundant number, since it is smaller than the sum of its proper divisors (75084894903504).

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

45289244985216 is a wasteful number, since it uses less digits than its factorization.

45289244985216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73120503 (or 73120491 counting only the distinct ones).

The product of its digits is 398131200, while the sum is 69.

The spelling of 45289244985216 in words is "forty-five trillion, two hundred eighty-nine billion, two hundred forty-four million, nine hundred eighty-five thousand, two hundred sixteen".