144436016652457 has 4 divisors (see below), whose sum is σ = 144436096717696. Its totient is φ = 144435936587220.

The previous prime is 144436016652449. The next prime is 144436016652467. The reversal of 144436016652457 is 754256610634441.

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 144436016652457 - 2³ = 144436016652449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144436016652427) 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, 37262769 + ... + 40955902.

It is an arithmetic number, because the mean of its divisors is an integer number (36109024179424).

Almost surely, 2^{144436016652457} is an apocalyptic number.

It is an amenable number.

144436016652457 is a deficient number, since it is larger than the sum of its proper divisors (80065239).

144436016652457 is an equidigital number, since it uses as much as digits as its factorization.

144436016652457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80065238.

The product of its (nonzero) digits is 58060800, while the sum is 58.

The spelling of 144436016652457 in words is "one hundred forty-four trillion, four hundred thirty-six billion, sixteen million, six hundred fifty-two thousand, four hundred fifty-seven".