45015550212 has 24 divisors (see below), whose sum is σ = 107018102016. Its totient is φ = 14722066528.

The previous prime is 45015550201. The next prime is 45015550243. The reversal of 45015550212 is 21205551054.

It is a self number, because there is not a number n which added to its sum of digits gives 45015550212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35388948 + ... + 35390219.

It is an arithmetic number, because the mean of its divisors is an integer number (4459087584).

Almost surely, 2^45015550212 is an apocalyptic number.

It is an amenable number.

45015550212 is an abundant number, since it is smaller than the sum of its proper divisors (62002551804).

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

45015550212 is a wasteful number, since it uses less digits than its factorization.

45015550212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70779227 (or 70779225 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 45015550212 in words is "forty-five billion, fifteen million, five hundred fifty thousand, two hundred twelve".