144203142530 has 32 divisors (see below), whose sum is σ = 267030825984. Its totient is φ = 56043464256.

The previous prime is 144203142529. The next prime is 144203142557. The reversal of 144203142530 is 35241302441.

It is a junction number, because it is equal to n+sod(n) for n = 144203142493 and 144203142502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266194 + ... + 1375373.

It is an arithmetic number, because the mean of its divisors is an integer number (8344713312).

Almost surely, 2^144203142530 is an apocalyptic number.

144203142530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144203142530 is a deficient number, since it is larger than the sum of its proper divisors (122827683454).

144203142530 is a wasteful number, since it uses less digits than its factorization.

144203142530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641730.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 144203142530 its reverse (35241302441), we get a palindrome (179444444971).

The spelling of 144203142530 in words is "one hundred forty-four billion, two hundred three million, one hundred forty-two thousand, five hundred thirty".