144279725497 has 8 divisors (see below), whose sum is σ = 151957758560. Its totient is φ = 136610128800.

The previous prime is 144279725477. The next prime is 144279725501. The reversal of 144279725497 is 794527972441.

It is a happy number.

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 144279725497 - 2¹⁵ = 144279692729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144279725417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073963 + ... + 2142400.

It is an arithmetic number, because the mean of its divisors is an integer number (18994719820).

Almost surely, 2^144279725497 is an apocalyptic number.

It is an amenable number.

144279725497 is a deficient number, since it is larger than the sum of its proper divisors (7678033063).

144279725497 is a wasteful number, since it uses less digits than its factorization.

144279725497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218183.

The product of its digits is 35562240, while the sum is 61.

The spelling of 144279725497 in words is "one hundred forty-four billion, two hundred seventy-nine million, seven hundred twenty-five thousand, four hundred ninety-seven".