142244166240 has 144 divisors (see below), whose sum is σ = 529536296016. Its totient is φ = 34483430400.

The previous prime is 142244166167. The next prime is 142244166257. The reversal of 142244166240 is 42661442241.

142244166240 is a `hidden beast` number, since 1 + 4 + 2 + 24 + 4 + 1 + 6 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 142244166195 and 142244166204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4474191 + ... + 4505870.

It is an arithmetic number, because the mean of its divisors is an integer number (3677335389).

Almost surely, 2^142244166240 is an apocalyptic number.

142244166240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142244166240 is an abundant number, since it is smaller than the sum of its proper divisors (387292129776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142244166240 is a wasteful number, since it uses less digits than its factorization.

142244166240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8980093 (or 8980082 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 142244166240 in words is "one hundred forty-two billion, two hundred forty-four million, one hundred sixty-six thousand, two hundred forty".