83247142 has 8 divisors (see below), whose sum is σ = 136222632. Its totient is φ = 37839600.

The previous prime is 83247107. The next prime is 83247169. The reversal of 83247142 is 24174238.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891959 + ... + 1892002.

It is an arithmetic number, because the mean of its divisors is an integer number (17027829).

Almost surely, 2^83247142 is an apocalyptic number.

83247142 is a deficient number, since it is larger than the sum of its proper divisors (52975490).

83247142 is a wasteful number, since it uses less digits than its factorization.

83247142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783974.

The product of its digits is 10752, while the sum is 31.

The square root of 83247142 is about 9123.9871766679. The cubic root of 83247142 is about 436.6395902900.

It can be divided in two parts, 832 and 47142, that added together give a palindrome (47974).

The spelling of 83247142 in words is "eighty-three million, two hundred forty-seven thousand, one hundred forty-two".