144590968281 has 16 divisors (see below), whose sum is σ = 199192037760. Its totient is φ = 93243171840.

The previous prime is 144590968279. The next prime is 144590968289. The reversal of 144590968281 is 182869095441.

It is not a de Polignac number, because 144590968281 - 2¹ = 144590968279 is a prime.

It is a super-2 number, since 2×144590968281² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144590968289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6392776 + ... + 6415353.

It is an arithmetic number, because the mean of its divisors is an integer number (12449502360).

Almost surely, 2^144590968281 is an apocalyptic number.

It is an amenable number.

144590968281 is a deficient number, since it is larger than the sum of its proper divisors (54601069479).

144590968281 is a wasteful number, since it uses less digits than its factorization.

144590968281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12808256.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 144590968281 in words is "one hundred forty-four billion, five hundred ninety million, nine hundred sixty-eight thousand, two hundred eighty-one".