144640563757 has 8 divisors (see below), whose sum is σ = 146220255936. Its totient is φ = 143066129472.

The previous prime is 144640563721. The next prime is 144640563787. The reversal of 144640563757 is 757365046441.

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 144640563757 - 2¹⁹ = 144640039469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144640563787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259143 + ... + 1369204.

It is an arithmetic number, because the mean of its divisors is an integer number (18277531992).

Almost surely, 2^144640563757 is an apocalyptic number.

It is an amenable number.

144640563757 is a deficient number, since it is larger than the sum of its proper divisors (1579692179).

144640563757 is a wasteful number, since it uses less digits than its factorization.

144640563757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628947.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 144640563757 in words is "one hundred forty-four billion, six hundred forty million, five hundred sixty-three thousand, seven hundred fifty-seven".