144104663505 has 32 divisors (see below), whose sum is σ = 251548996608. Its totient is φ = 69863134400.

The previous prime is 144104663489. The next prime is 144104663533. The reversal of 144104663505 is 505366401441.

It is not a de Polignac number, because 144104663505 - 2⁴ = 144104663489 is a prime.

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, 2493790 + ... + 2550920.

It is an arithmetic number, because the mean of its divisors is an integer number (7860906144).

Almost surely, 2^144104663505 is an apocalyptic number.

144104663505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144104663505 is a deficient number, since it is larger than the sum of its proper divisors (107444333103).

144104663505 is a wasteful number, since it uses less digits than its factorization.

144104663505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72437.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 144104663505 in words is "one hundred forty-four billion, one hundred four million, six hundred sixty-three thousand, five hundred five".