1144413402 has 48 divisors (see below), whose sum is σ = 2577246336. Its totient is φ = 338324800.

The previous prime is 1144413397. The next prime is 1144413419. The reversal of 1144413402 is 2043144411.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10543 + ... + 48989.

It is an arithmetic number, because the mean of its divisors is an integer number (53692632).

Almost surely, 2^1144413402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144413402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288623168).

1144413402 is an abundant number, since it is smaller than the sum of its proper divisors (1432832934).

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

1144413402 is a wasteful number, since it uses less digits than its factorization.

1144413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38515 (or 38504 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1144413402 is about 33829.1797417555. The cubic root of 1144413402 is about 1045.9902708984.

Adding to 1144413402 its reverse (2043144411), we get a palindrome (3187557813).

The spelling of 1144413402 in words is "one billion, one hundred forty-four million, four hundred thirteen thousand, four hundred two".