1145321052344 has 16 divisors (see below), whose sum is σ = 2454259398000. Its totient is φ = 490851879552.

The previous prime is 1145321052209. The next prime is 1145321052349. The reversal of 1145321052344 is 4432501235411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145321052349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10226080769 + ... + 10226080880.

It is an arithmetic number, because the mean of its divisors is an integer number (153391212375).

Almost surely, 2^{1145321052344} is an apocalyptic number.

1145321052344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145321052344 is an abundant number, since it is smaller than the sum of its proper divisors (1308938345656).

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

1145321052344 is a wasteful number, since it uses less digits than its factorization.

1145321052344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20452161662 (or 20452161658 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 1145321052344 its reverse (4432501235411), we get a palindrome (5577822287755).

The spelling of 1145321052344 in words is "one trillion, one hundred forty-five billion, three hundred twenty-one million, fifty-two thousand, three hundred forty-four".