101305142 has 8 divisors (see below), whose sum is σ = 160896456. Its totient is φ = 47672992.

The previous prime is 101305123. The next prime is 101305153. The reversal of 101305142 is 241503101.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 101305142.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1489748 + ... + 1489815.

It is an arithmetic number, because the mean of its divisors is an integer number (20112057).

Almost surely, 2^101305142 is an apocalyptic number.

101305142 is a deficient number, since it is larger than the sum of its proper divisors (59591314).

101305142 is a wasteful number, since it uses less digits than its factorization.

101305142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979582.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 101305142 is about 10065.0455537966. The cubic root of 101305142 is about 466.1694723967.

Adding to 101305142 its reverse (241503101), we get a palindrome (342808243).

The spelling of 101305142 in words is "one hundred one million, three hundred five thousand, one hundred forty-two".