45155523512 has 64 divisors (see below), whose sum is σ = 94676571360. Its totient is φ = 20011878400.

The previous prime is 45155523509. The next prime is 45155523577. The reversal of 45155523512 is 21532555154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7765118 + ... + 7770930.

Almost surely, 2^45155523512 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 45155523512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47338285680).

45155523512 is an abundant number, since it is smaller than the sum of its proper divisors (49521047848).

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

45155523512 is a wasteful number, since it uses less digits than its factorization.

45155523512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024 (or 8020 counting only the distinct ones).

The product of its digits is 150000, while the sum is 38.

The spelling of 45155523512 in words is "forty-five billion, one hundred fifty-five million, five hundred twenty-three thousand, five hundred twelve".