144222143985 has 48 divisors (see below), whose sum is σ = 255895121664. Its totient is φ = 75107575296.

The previous prime is 144222143953. The next prime is 144222144091. The reversal of 144222143985 is 589341222441.

144222143985 is a `hidden beast` number, since 1 + 4 + 42 + 2 + 214 + 398 + 5 = 666.

It is not a de Polignac number, because 144222143985 - 2⁵ = 144222143953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 144222143985.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 837054 + ... + 994536.

It is an arithmetic number, because the mean of its divisors is an integer number (5331148368).

Almost surely, 2^144222143985 is an apocalyptic number.

144222143985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144222143985 is a deficient number, since it is larger than the sum of its proper divisors (111672977679).

144222143985 is a wasteful number, since it uses less digits than its factorization.

144222143985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157974 (or 157971 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 144222143985 in words is "one hundred forty-four billion, two hundred twenty-two million, one hundred forty-three thousand, nine hundred eighty-five".