1145084852820 has 48 divisors (see below), whose sum is σ = 3316797509760. Its totient is φ = 294826444416.

The previous prime is 1145084852773. The next prime is 1145084852869. The reversal of 1145084852820 is 282584805411.

It is a super-2 number, since 2×1145084852820² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145084852820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329045632 + ... + 329049111.

It is an arithmetic number, because the mean of its divisors is an integer number (69099948120).

Almost surely, 2^{1145084852820} is an apocalyptic number.

1145084852820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145084852820 is an abundant number, since it is smaller than the sum of its proper divisors (2171712656940).

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

1145084852820 is a wasteful number, since it uses less digits than its factorization.

1145084852820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658094784 (or 658094782 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 48.

The spelling of 1145084852820 in words is "one trillion, one hundred forty-five billion, eighty-four million, eight hundred fifty-two thousand, eight hundred twenty".