144040354252321 has 4 divisors (see below), whose sum is σ = 150302978350272. Its totient is φ = 137777730154372.

The previous prime is 144040354252271. The next prime is 144040354252343. The reversal of 144040354252321 is 123252453040441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144040354252321 - 2³³ = 144031764317729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144040354250321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131312048941 + ... + 3131312048986.

It is an arithmetic number, because the mean of its divisors is an integer number (37575744587568).

Almost surely, 2^{144040354252321} is an apocalyptic number.

It is an amenable number.

144040354252321 is a deficient number, since it is larger than the sum of its proper divisors (6262624097951).

144040354252321 is an equidigital number, since it uses as much as digits as its factorization.

144040354252321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262624097950.

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 144040354252321 in words is "one hundred forty-four trillion, forty billion, three hundred fifty-four million, two hundred fifty-two thousand, three hundred twenty-one".