144646064015 has 32 divisors (see below), whose sum is σ = 187263885312. Its totient is φ = 106943760000.

The previous prime is 144646063999. The next prime is 144646064053. The reversal of 144646064015 is 510460646441.

It is not a de Polignac number, because 144646064015 - 2⁴ = 144646063999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2217365 + ... + 2281665.

It is an arithmetic number, because the mean of its divisors is an integer number (5851996416).

Almost surely, 2^144646064015 is an apocalyptic number.

144646064015 is a deficient number, since it is larger than the sum of its proper divisors (42617821297).

144646064015 is a wasteful number, since it uses less digits than its factorization.

144646064015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64991.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 144646064015 in words is "one hundred forty-four billion, six hundred forty-six million, sixty-four thousand, fifteen".