45105231144556 has 72 divisors (see below), whose sum is σ = 93660351986880. Its totient is φ = 18796746708000.

The previous prime is 45105231144553. The next prime is 45105231144593. The reversal of 45105231144556 is 65544113250154.

It is not an unprimeable number, because it can be changed into a prime (45105231144553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27268210 + ... + 28875001.

It is an arithmetic number, because the mean of its divisors is an integer number (1300838222040).

Almost surely, 2^{45105231144556} is an apocalyptic number.

It is an amenable number.

45105231144556 is an abundant number, since it is smaller than the sum of its proper divisors (48555120842324).

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

45105231144556 is a wasteful number, since it uses less digits than its factorization.

45105231144556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56143307 (or 56143274 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 45105231144556 in words is "forty-five trillion, one hundred five billion, two hundred thirty-one million, one hundred forty-four thousand, five hundred fifty-six".