144161163135 has 48 divisors (see below), whose sum is σ = 272777476608. Its totient is φ = 69849700800.

The previous prime is 144161163121. The next prime is 144161163281. The reversal of 144161163135 is 531361161441.

144161163135 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 6 + 11 + 631 + 3 + 5 = 666.

It is not a de Polignac number, because 144161163135 - 2¹⁵ = 144161130367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144161163135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 651574 + ... + 844316.

It is an arithmetic number, because the mean of its divisors is an integer number (5682864096).

Almost surely, 2^144161163135 is an apocalyptic number.

144161163135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144161163135 is a deficient number, since it is larger than the sum of its proper divisors (128616313473).

144161163135 is a wasteful number, since it uses less digits than its factorization.

144161163135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194276 (or 194273 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 144161163135 in words is "one hundred forty-four billion, one hundred sixty-one million, one hundred sixty-three thousand, one hundred thirty-five".