1144320453530 has 32 divisors (see below), whose sum is σ = 2066282374464. Its totient is φ = 456284295936.

The previous prime is 1144320453487. The next prime is 1144320453583. The reversal of 1144320453530 is 353540234411.

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, 5028389 + ... + 5251031.

It is an arithmetic number, because the mean of its divisors is an integer number (64571324202).

Almost surely, 2^{1144320453530} is an apocalyptic number.

1144320453530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144320453530 is a deficient number, since it is larger than the sum of its proper divisors (921961920934).

1144320453530 is a wasteful number, since it uses less digits than its factorization.

1144320453530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224270.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 1144320453530 its reverse (353540234411), we get a palindrome (1497860687941).

The spelling of 1144320453530 in words is "one trillion, one hundred forty-four billion, three hundred twenty million, four hundred fifty-three thousand, five hundred thirty".