13331455144 has 32 divisors (see below), whose sum is σ = 28609312320. Its totient is φ = 5705099136.

The previous prime is 13331455099. The next prime is 13331455147. The reversal of 13331455144 is 44155413331.

It is not an unprimeable number, because it can be changed into a prime (13331455147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136029 + ... + 212524.

It is an arithmetic number, because the mean of its divisors is an integer number (894041010).

Almost surely, 2^13331455144 is an apocalyptic number.

13331455144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13331455144 is an abundant number, since it is smaller than the sum of its proper divisors (15277857176).

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

13331455144 is a wasteful number, since it uses less digits than its factorization.

13331455144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349249 (or 349245 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

Adding to 13331455144 its reverse (44155413331), we get a palindrome (57486868475).

The spelling of 13331455144 in words is "thirteen billion, three hundred thirty-one million, four hundred fifty-five thousand, one hundred forty-four".