45643234421044 has 48 divisors (see below), whose sum is σ = 86630872608000. Its totient is φ = 20916602257536.

The previous prime is 45643234421009. The next prime is 45643234421051. The reversal of 45643234421044 is 44012443234654.

It is a junction number, because it is equal to n+sod(n) for n = 45643234420985 and 45643234421003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18839989 + ... + 21124195.

It is an arithmetic number, because the mean of its divisors is an integer number (1804809846000).

Almost surely, 2^{45643234421044} is an apocalyptic number.

It is an amenable number.

45643234421044 is a deficient number, since it is larger than the sum of its proper divisors (40987638186956).

45643234421044 is a wasteful number, since it uses less digits than its factorization.

45643234421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286952 (or 2286950 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 46.

Adding to 45643234421044 its reverse (44012443234654), we get a palindrome (89655677655698).

The spelling of 45643234421044 in words is "forty-five trillion, six hundred forty-three billion, two hundred thirty-four million, four hundred twenty-one thousand, forty-four".