142216748 has 24 divisors (see below), whose sum is σ = 265305600. Its totient is φ = 66510288.

The previous prime is 142216721. The next prime is 142216799. The reversal of 142216748 is 847612241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5840 + ... + 17847.

It is an arithmetic number, because the mean of its divisors is an integer number (11054400).

Almost surely, 2^142216748 is an apocalyptic number.

It is an amenable number.

142216748 is a deficient number, since it is larger than the sum of its proper divisors (123088852).

142216748 is a wasteful number, since it uses less digits than its factorization.

142216748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23789 (or 23787 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 142216748 is about 11925.4663640463. The cubic root of 142216748 is about 521.9756549276.

Adding to 142216748 its reverse (847612241), we get a palindrome (989828989).

The spelling of 142216748 in words is "one hundred forty-two million, two hundred sixteen thousand, seven hundred forty-eight".