45512230140 has 144 divisors (see below), whose sum is σ = 150146077536. Its totient is φ = 11092032000.

The previous prime is 45512230123. The next prime is 45512230147. The reversal of 45512230140 is 4103221554.

45512230140 is a `hidden beast` number, since 4 + 5 + 512 + 2 + 3 + 0 + 140 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45512230147) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 140055 + ... + 332625.

It is an arithmetic number, because the mean of its divisors is an integer number (1042681094).

Almost surely, 2^45512230140 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 45512230140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75073038768).

45512230140 is an abundant number, since it is smaller than the sum of its proper divisors (104633847396).

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

45512230140 is a wasteful number, since it uses less digits than its factorization.

45512230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192700 (or 192695 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 45512230140 its reverse (4103221554), we get a palindrome (49615451694).

The spelling of 45512230140 in words is "forty-five billion, five hundred twelve million, two hundred thirty thousand, one hundred forty".