45642121282 has 16 divisors (see below), whose sum is σ = 69078512160. Its totient is φ = 22616744832.

The previous prime is 45642121243. The next prime is 45642121289. The reversal of 45642121282 is 28212124654.

It is not an unprimeable number, because it can be changed into a prime (45642121289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83232 + ... + 313387.

It is an arithmetic number, because the mean of its divisors is an integer number (4317407010).

Almost surely, 2^45642121282 is an apocalyptic number.

45642121282 is a deficient number, since it is larger than the sum of its proper divisors (23436390878).

45642121282 is a wasteful number, since it uses less digits than its factorization.

45642121282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397137.

The product of its digits is 61440, while the sum is 37.

The spelling of 45642121282 in words is "forty-five billion, six hundred forty-two million, one hundred twenty-one thousand, two hundred eighty-two".