144183381402 has 64 divisors (see below), whose sum is σ = 307255536000. Its totient is φ = 45019618560.

The previous prime is 144183381401. The next prime is 144183381403. The reversal of 144183381402 is 204183381441.

It is an interprime number because it is at equal distance from previous prime (144183381401) and next prime (144183381403).

It is not an unprimeable number, because it can be changed into a prime (144183381401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214777 + ... + 2278947.

It is an arithmetic number, because the mean of its divisors is an integer number (4800867750).

Almost surely, 2^144183381402 is an apocalyptic number.

144183381402 is an abundant number, since it is smaller than the sum of its proper divisors (163072154598).

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

144183381402 is a wasteful number, since it uses less digits than its factorization.

144183381402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64591.

The product of its (nonzero) digits is 73728, while the sum is 39.

Adding to 144183381402 its sum of digits (39), we get a palindrome (144183381441).

The spelling of 144183381402 in words is "one hundred forty-four billion, one hundred eighty-three million, three hundred eighty-one thousand, four hundred two".