144640627413 has 16 divisors (see below), whose sum is σ = 201778684800. Its totient is φ = 91987308864.

The previous prime is 144640627409. The next prime is 144640627427. The reversal of 144640627413 is 314726046441.

It is not a de Polignac number, because 144640627413 - 2² = 144640627409 is a prime.

It is a super-2 number, since 2×144640627413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144640625413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2784238 + ... + 2835711.

It is an arithmetic number, because the mean of its divisors is an integer number (12611167800).

Almost surely, 2^144640627413 is an apocalyptic number.

It is an amenable number.

144640627413 is a deficient number, since it is larger than the sum of its proper divisors (57138057387).

144640627413 is a wasteful number, since it uses less digits than its factorization.

144640627413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620348.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 144640627413 in words is "one hundred forty-four billion, six hundred forty million, six hundred twenty-seven thousand, four hundred thirteen".