142001334240 has 48 divisors (see below), whose sum is σ = 447304204368. Its totient is φ = 37867022336.

The previous prime is 142001334157. The next prime is 142001334247. The reversal of 142001334240 is 42433100241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×142001334240³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 142001334240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001334247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147917577 + ... + 147918536.

It is an arithmetic number, because the mean of its divisors is an integer number (9318837591).

Almost surely, 2^142001334240 is an apocalyptic number.

142001334240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142001334240 is an abundant number, since it is smaller than the sum of its proper divisors (305302870128).

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

142001334240 is a wasteful number, since it uses less digits than its factorization.

142001334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295836131 (or 295836123 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 142001334240 its reverse (42433100241), we get a palindrome (184434434481).

The spelling of 142001334240 in words is "one hundred forty-two billion, one million, three hundred thirty-four thousand, two hundred forty".