1145143109952 has 112 divisors (see below), whose sum is σ = 3368199593280. Its totient is φ = 381522645504.

The previous prime is 1145143109923. The next prime is 1145143109959. The reversal of 1145143109952 is 2599013415411.

1145143109952 is a `hidden beast` number, since 1 + 1 + 451 + 4 + 3 + 109 + 95 + 2 = 666.

It is a super-2 number, since 2×1145143109952² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145143109898 and 1145143109907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145143109959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3295758 + ... + 3626610.

Almost surely, 2^{1145143109952} is an apocalyptic number.

1145143109952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145143109952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684099796640).

1145143109952 is an abundant number, since it is smaller than the sum of its proper divisors (2223056483328).

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

1145143109952 is a wasteful number, since it uses less digits than its factorization.

1145143109952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332877 (or 332861 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 1145143109952 in words is "one trillion, one hundred forty-five billion, one hundred forty-three million, one hundred nine thousand, nine hundred fifty-two".