45556144685421 has 32 divisors (see below), whose sum is σ = 60886948792320. Its totient is φ = 30298168454400.

The previous prime is 45556144685419. The next prime is 45556144685521. The reversal of 45556144685421 is 12458644165554.

It is not a de Polignac number, because 45556144685421 - 2¹ = 45556144685419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45556144685521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9922921836 + ... + 9922926426.

It is an arithmetic number, because the mean of its divisors is an integer number (1902717149760).

Almost surely, 2^{45556144685421} is an apocalyptic number.

It is an amenable number.

45556144685421 is a deficient number, since it is larger than the sum of its proper divisors (15330804106899).

45556144685421 is a wasteful number, since it uses less digits than its factorization.

45556144685421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377.

The product of its digits is 92160000, while the sum is 60.

The spelling of 45556144685421 in words is "forty-five trillion, five hundred fifty-six billion, one hundred forty-four million, six hundred eighty-five thousand, four hundred twenty-one".