142111352 has 8 divisors (see below), whose sum is σ = 266458800. Its totient is φ = 71055672.

The previous prime is 142111331. The next prime is 142111357. The reversal of 142111352 is 253111241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142111357) by changing a digit.

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 as a sum of consecutive naturals, namely, 8881952 + ... + 8881967.

It is an arithmetic number, because the mean of its divisors is an integer number (33307350).

Almost surely, 2^142111352 is an apocalyptic number.

It is an amenable number.

142111352 is a deficient number, since it is larger than the sum of its proper divisors (124347448).

142111352 is a wasteful number, since it uses less digits than its factorization.

142111352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763925 (or 17763921 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 142111352 is about 11921.0465983487. The cubic root of 142111352 is about 521.8466786930.

Adding to 142111352 its reverse (253111241), we get a palindrome (395222593).

The spelling of 142111352 in words is "one hundred forty-two million, one hundred eleven thousand, three hundred fifty-two".