144431213002 has 24 divisors (see below), whose sum is σ = 231997566636. Its totient is φ = 67203823104.

The previous prime is 144431212993. The next prime is 144431213009. The reversal of 144431213002 is 200312134441.

It can be written as a sum of positive squares in 6 ways, for example, as 20695411881 + 123735801121 = 143859^2 + 351761^2 .

It is not an unprimeable number, because it can be changed into a prime (144431213009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168 + ... + 537460.

Almost surely, 2^144431213002 is an apocalyptic number.

144431213002 is a deficient number, since it is larger than the sum of its proper divisors (87566353634).

144431213002 is an equidigital number, since it uses as much as digits as its factorization.

144431213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536490 (or 536401 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144431213002 its reverse (200312134441), we get a palindrome (344743347443).

The spelling of 144431213002 in words is "one hundred forty-four billion, four hundred thirty-one million, two hundred thirteen thousand, two".