144232002 has 80 divisors (see below), whose sum is σ = 347783040. Its totient is φ = 44533152.

The previous prime is 144231979. The next prime is 144232009. The reversal of 144232002 is 200232441.

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

It is not an unprimeable number, because it can be changed into a prime (144232009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 144168 + ... + 145164.

It is an arithmetic number, because the mean of its divisors is an integer number (4347288).

Almost surely, 2^144232002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144232002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173891520).

144232002 is an abundant number, since it is smaller than the sum of its proper divisors (203551038).

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

144232002 is a wasteful number, since it uses less digits than its factorization.

144232002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 144232002 is about 12009.6628595477. The cubic root of 144232002 is about 524.4296172706.

Adding to 144232002 its reverse (200232441), we get a palindrome (344464443).

The spelling of 144232002 in words is "one hundred forty-four million, two hundred thirty-two thousand, two".