144221156426135 has 16 divisors (see below), whose sum is σ = 178750052440320. Its totient is φ = 111591394917120.

The previous prime is 144221156426119. The next prime is 144221156426141. The reversal of 144221156426135 is 531624651122441.

It is not a de Polignac number, because 144221156426135 - 2⁴ = 144221156426119 is a prime.

It is a super-2 number, since 2×144221156426135² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144221156426135.

It is a congruent number.

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, 265118780 + ... + 265662209.

It is an arithmetic number, because the mean of its divisors is an integer number (11171878277520).

Almost surely, 2^{144221156426135} is an apocalyptic number.

144221156426135 is a deficient number, since it is larger than the sum of its proper divisors (34528896014185).

144221156426135 is a wasteful number, since it uses less digits than its factorization.

144221156426135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530782778.

The product of its digits is 1382400, while the sum is 47.

The spelling of 144221156426135 in words is "one hundred forty-four trillion, two hundred twenty-one billion, one hundred fifty-six million, four hundred twenty-six thousand, one hundred thirty-five".