144642413236 has 24 divisors (see below), whose sum is σ = 259088259584. Its totient is φ = 70618201920.

The previous prime is 144642413221. The next prime is 144642413243. The reversal of 144642413236 is 632314246441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459256 + ... + 707248.

Almost surely, 2^144642413236 is an apocalyptic number.

It is an amenable number.

144642413236 is a deficient number, since it is larger than the sum of its proper divisors (114445846348).

144642413236 is a wasteful number, since it uses less digits than its factorization.

144642413236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251431 (or 251429 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

Adding to 144642413236 its reverse (632314246441), we get a palindrome (776956659677).

The spelling of 144642413236 in words is "one hundred forty-four billion, six hundred forty-two million, four hundred thirteen thousand, two hundred thirty-six".