1332332144 has 80 divisors (see below), whose sum is σ = 3052825440. Its totient is φ = 555310080.

The previous prime is 1332332137. The next prime is 1332332147. The reversal of 1332332144 is 4412332331.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332332147) 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, 357362 + ... + 361070.

It is an arithmetic number, because the mean of its divisors is an integer number (38160318).

Almost surely, 2^1332332144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1332332144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526412720).

1332332144 is an abundant number, since it is smaller than the sum of its proper divisors (1720493296).

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

1332332144 is a wasteful number, since it uses less digits than its factorization.

1332332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898 (or 3892 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 1332332144 is about 36501.1252429292. The cubic root of 1332332144 is about 1100.3668594538.

Adding to 1332332144 its reverse (4412332331), we get a palindrome (5744664475).

The spelling of 1332332144 in words is "one billion, three hundred thirty-two million, three hundred thirty-two thousand, one hundred forty-four".