144535526163021 has 32 divisors (see below), whose sum is σ = 222853685771520. Its totient is φ = 81614446442496.

The previous prime is 144535526163013. The next prime is 144535526163079. The reversal of 144535526163021 is 120361625535441.

It is a happy number.

It is not a de Polignac number, because 144535526163021 - 2³ = 144535526163013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144535526164021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20238336 + ... + 26432201.

It is an arithmetic number, because the mean of its divisors is an integer number (6964177680360).

Almost surely, 2^{144535526163021} is an apocalyptic number.

It is an amenable number.

144535526163021 is a deficient number, since it is larger than the sum of its proper divisors (78318159608499).

144535526163021 is a wasteful number, since it uses less digits than its factorization.

144535526163021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46672293.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 144535526163021 in words is "one hundred forty-four trillion, five hundred thirty-five billion, five hundred twenty-six million, one hundred sixty-three thousand, twenty-one".