142211048 has 32 divisors (see below), whose sum is σ = 320779200. Its totient is φ = 57739392.

The previous prime is 142211011. The next prime is 142211057. The reversal of 142211048 is 840112241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65765 + ... + 67892.

It is an arithmetic number, because the mean of its divisors is an integer number (10024350).

Almost surely, 2^142211048 is an apocalyptic number.

It is an amenable number.

142211048 is an abundant number, since it is smaller than the sum of its proper divisors (178568152).

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

142211048 is a wasteful number, since it uses less digits than its factorization.

142211048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133689 (or 133685 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 142211048 is about 11925.2273772872. The cubic root of 142211048 is about 521.9686812975.

Adding to 142211048 its reverse (840112241), we get a palindrome (982323289).

The spelling of 142211048 in words is "one hundred forty-two million, two hundred eleven thousand, forty-eight".