142244648 has 96 divisors (see below), whose sum is σ = 338607360. Its totient is φ = 55520640.

The previous prime is 142244587. The next prime is 142244651. The reversal of 142244648 is 846442241.

142244648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 142244648 = 20³ + 522³ = 381³ + 443³.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524753 + ... + 525023.

It is an arithmetic number, because the mean of its divisors is an integer number (3527160).

Almost surely, 2^142244648 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 142244648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169303680).

142244648 is an abundant number, since it is smaller than the sum of its proper divisors (196362712).

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

142244648 is a wasteful number, since it uses less digits than its factorization.

142244648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 396 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

The square root of 142244648 is about 11926.6360722544. The cubic root of 142244648 is about 522.0097863239.

Adding to 142244648 its reverse (846442241), we get a palindrome (988686889).

The spelling of 142244648 in words is "one hundred forty-two million, two hundred forty-four thousand, six hundred forty-eight".