45543666634554 has 128 divisors (see below), whose sum is σ = 103089026073600. Its totient is φ = 13292527680000.

The previous prime is 45543666634489. The next prime is 45543666634597.

It is a happy number.

45543666634554 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99681622 + ... + 100137470.

It is an arithmetic number, because the mean of its divisors is an integer number (805383016200).

Almost surely, 2^{45543666634554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45543666634554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51544513036800).

45543666634554 is an abundant number, since it is smaller than the sum of its proper divisors (57545359439046).

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

45543666634554 is a wasteful number, since it uses less digits than its factorization.

45543666634554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456316.

The product of its digits is 1866240000, while the sum is 66.

The spelling of 45543666634554 in words is "forty-five trillion, five hundred forty-three billion, six hundred sixty-six million, six hundred thirty-four thousand, five hundred fifty-four".