142440163514664 has 128 divisors (see below), whose sum is σ = 367999936512000. Its totient is φ = 45896902214400.

The previous prime is 142440163514581. The next prime is 142440163514687. The reversal of 142440163514664 is 466415361044241.

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, 7027478322 + ... + 7027498590.

It is an arithmetic number, because the mean of its divisors is an integer number (2874999504000).

Almost surely, 2^{142440163514664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142440163514664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183999968256000).

142440163514664 is an abundant number, since it is smaller than the sum of its proper divisors (225559772997336).

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

142440163514664 is a wasteful number, since it uses less digits than its factorization.

142440163514664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30439 (or 30435 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 142440163514664 in words is "one hundred forty-two trillion, four hundred forty billion, one hundred sixty-three million, five hundred fourteen thousand, six hundred sixty-four".