1145546138256 has 40 divisors (see below), whose sum is σ = 3186968104320. Its totient is φ = 352475734656.

The previous prime is 1145546138249. The next prime is 1145546138423. The reversal of 1145546138256 is 6528316455411.

It is a junction number, because it is equal to n+sod(n) for n = 1145546138199 and 1145546138208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917904936 + ... + 917906183.

It is an arithmetic number, because the mean of its divisors is an integer number (79674202608).

Almost surely, 2^{1145546138256} is an apocalyptic number.

1145546138256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1145546138256 is an abundant number, since it is smaller than the sum of its proper divisors (2041421966064).

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

1145546138256 is a wasteful number, since it uses less digits than its factorization.

1145546138256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835811143 (or 1835811137 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 51.

The spelling of 1145546138256 in words is "one trillion, one hundred forty-five billion, five hundred forty-six million, one hundred thirty-eight thousand, two hundred fifty-six".