45449124772 has 12 divisors (see below), whose sum is σ = 80239827276. Its totient is φ = 22523459840.

The previous prime is 45449124761. The next prime is 45449124841. The reversal of 45449124772 is 27742194454.

It can be written as a sum of positive squares in 2 ways, for example, as 10515271936 + 34933852836 = 102544^2 + 186906^2 .

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 3 ways as a sum of consecutive naturals, for example, 50275129 + ... + 50276032.

It is an arithmetic number, because the mean of its divisors is an integer number (6686652273).

Almost surely, 2^45449124772 is an apocalyptic number.

It is an amenable number.

45449124772 is a deficient number, since it is larger than the sum of its proper divisors (34790702504).

45449124772 is a wasteful number, since it uses less digits than its factorization.

45449124772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100551278 (or 100551276 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The spelling of 45449124772 in words is "forty-five billion, four hundred forty-nine million, one hundred twenty-four thousand, seven hundred seventy-two".