144874502385 has 16 divisors (see below), whose sum is σ = 231803969280. Its totient is φ = 77264812800.

The previous prime is 144874502329. The next prime is 144874502393. The reversal of 144874502385 is 583205478441.

It is not a de Polignac number, because 144874502385 - 2⁹ = 144874501873 is a prime.

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, 1221336 + ... + 1334694.

It is an arithmetic number, because the mean of its divisors is an integer number (14487748080).

Almost surely, 2^144874502385 is an apocalyptic number.

144874502385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144874502385 is a deficient number, since it is larger than the sum of its proper divisors (86929466895).

144874502385 is a wasteful number, since it uses less digits than its factorization.

144874502385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198568.

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 144874502385 in words is "one hundred forty-four billion, eight hundred seventy-four million, five hundred two thousand, three hundred eighty-five".