144017345638 has 32 divisors (see below), whose sum is σ = 219335354784. Its totient is φ = 70916332032.

The previous prime is 144017345617. The next prime is 144017345653. The reversal of 144017345638 is 836543710441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18302581 + ... + 18310447.

It is an arithmetic number, because the mean of its divisors is an integer number (6854229837).

Almost surely, 2^144017345638 is an apocalyptic number.

144017345638 is a deficient number, since it is larger than the sum of its proper divisors (75318009146).

144017345638 is a wasteful number, since it uses less digits than its factorization.

144017345638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 144017345638 in words is "one hundred forty-four billion, seventeen million, three hundred forty-five thousand, six hundred thirty-eight".