45172950912 has 160 divisors (see below), whose sum is σ = 140279665680. Its totient is φ = 14402893824.

The previous prime is 45172950887. The next prime is 45172950913. The reversal of 45172950912 is 21905927154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45172950913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 143748 + ... + 333180.

Almost surely, 2^45172950912 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 45172950912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70139832840).

45172950912 is an abundant number, since it is smaller than the sum of its proper divisors (95106714768).

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

45172950912 is a wasteful number, since it uses less digits than its factorization.

45172950912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189482 (or 189461 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 45172950912 in words is "forty-five billion, one hundred seventy-two million, nine hundred fifty thousand, nine hundred twelve".