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144342123421 = 2391019592681
BaseRepresentation
bin1000011001101101110…
…1100000001110011101
3111210120110011121022011
42012123131200032131
54331103040422141
6150150532351221
713266634543156
oct2063335401635
9453513147264
10144342123421
11562404027a1
1223b83a75511
13107c433c6b2
146db419c92d
153b4c026881
hex219b76039d

144342123421 has 8 divisors (see below), whose sum is σ = 145088553600. Its totient is φ = 143596881120.

The previous prime is 144342123413. The next prime is 144342123433. The reversal of 144342123421 is 124321243441.

It is a happy number.

144342123421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144342123421 - 23 = 144342123413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144342123451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52800 + ... + 539881.

It is an arithmetic number, because the mean of its divisors is an integer number (18136069200).

Almost surely, 2144342123421 is an apocalyptic number.

It is an amenable number.

144342123421 is a deficient number, since it is larger than the sum of its proper divisors (746430179).

144342123421 is a wasteful number, since it uses less digits than its factorization.

144342123421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593939.

The product of its digits is 18432, while the sum is 31.

Adding to 144342123421 its reverse (124321243441), we get a palindrome (268663366862).

The spelling of 144342123421 in words is "one hundred forty-four billion, three hundred forty-two million, one hundred twenty-three thousand, four hundred twenty-one".

Divisors: 1 239 1019 243541 592681 141650759 603941939 144342123421