144121302 has 64 divisors (see below), whose sum is σ = 346752000. Its totient is φ = 44108064.

The previous prime is 144121279. The next prime is 144121303. The reversal of 144121302 is 203121441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144121303) 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, 167349 + ... + 168207.

It is an arithmetic number, because the mean of its divisors is an integer number (5418000).

Almost surely, 2^144121302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144121302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173376000).

144121302 is an abundant number, since it is smaller than the sum of its proper divisors (202630698).

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

144121302 is a wasteful number, since it uses less digits than its factorization.

144121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144121302 is about 12005.0531860546. The cubic root of 144121302 is about 524.2954140040.

Adding to 144121302 its reverse (203121441), we get a palindrome (347242743).

The spelling of 144121302 in words is "one hundred forty-four million, one hundred twenty-one thousand, three hundred two".