1145772834228 has 72 divisors (see below), whose sum is σ = 3160179640800. Its totient is φ = 347135290560.

The previous prime is 1145772834179. The next prime is 1145772834299. The reversal of 1145772834228 is 8224382775411.

1145772834228 is a `hidden beast` number, since 1 + 1 + 4 + 577 + 2 + 8 + 3 + 42 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1739098 + ... + 2305646.

It is an arithmetic number, because the mean of its divisors is an integer number (43891383900).

Almost surely, 2^{1145772834228} is an apocalyptic number.

1145772834228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1145772834228 is an abundant number, since it is smaller than the sum of its proper divisors (2014406806572).

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

1145772834228 is a wasteful number, since it uses less digits than its factorization.

1145772834228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571677 (or 571672 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 1145772834228 in words is "one trillion, one hundred forty-five billion, seven hundred seventy-two million, eight hundred thirty-four thousand, two hundred twenty-eight".