45644251012 has 6 divisors (see below), whose sum is σ = 79877439278. Its totient is φ = 22822125504.

The previous prime is 45644250979. The next prime is 45644251021. The reversal of 45644251012 is 21015244654.

It can be written as a sum of positive squares in only one way, i.e., 31935119616 + 13709131396 = 178704^2 + 117086^2 .

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 as a sum of consecutive naturals, namely, 5705531373 + ... + 5705531380.

Almost surely, 2^45644251012 is an apocalyptic number.

It is an amenable number.

45644251012 is a deficient number, since it is larger than the sum of its proper divisors (34233188266).

45644251012 is a wasteful number, since it uses less digits than its factorization.

45644251012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411062757 (or 11411062755 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 45644251012 its reverse (21015244654), we get a palindrome (66659495666).

The spelling of 45644251012 in words is "forty-five billion, six hundred forty-four million, two hundred fifty-one thousand, twelve".