101142434 has 8 divisors (see below), whose sum is σ = 159698640. Its totient is φ = 47909556.

The previous prime is 101142397. The next prime is 101142439. The reversal of 101142434 is 434241101.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101142439) 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 in 3 ways as a sum of consecutive naturals, for example, 1330784 + ... + 1330859.

It is an arithmetic number, because the mean of its divisors is an integer number (19962330).

Almost surely, 2^101142434 is an apocalyptic number.

101142434 is a deficient number, since it is larger than the sum of its proper divisors (58556206).

101142434 is a wasteful number, since it uses less digits than its factorization.

101142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661664.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 101142434 is about 10056.9594808769. The cubic root of 101142434 is about 465.9197642870.

Adding to 101142434 its reverse (434241101), we get a palindrome (535383535).

The spelling of 101142434 in words is "one hundred one million, one hundred forty-two thousand, four hundred thirty-four".