142450236544 has 128 divisors (see below), whose sum is σ = 356191344000. Its totient is φ = 55127040000.

The previous prime is 142450236517. The next prime is 142450236553. The reversal of 142450236544 is 445632054241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 142450236497 and 142450236506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420044 + ... + 1517044.

It is an arithmetic number, because the mean of its divisors is an integer number (2782744875).

Almost surely, 2^142450236544 is an apocalyptic number.

142450236544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142450236544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178095672000).

142450236544 is an abundant number, since it is smaller than the sum of its proper divisors (213741107456).

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

142450236544 is a wasteful number, since it uses less digits than its factorization.

142450236544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97182 (or 97170 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 142450236544 in words is "one hundred forty-two billion, four hundred fifty million, two hundred thirty-six thousand, five hundred forty-four".