146402271142 has 8 divisors (see below), whose sum is σ = 219610125000. Its totient is φ = 73198896144.

The previous prime is 146402271139. The next prime is 146402271161. The reversal of 146402271142 is 241172204641.

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

It is a junction number, because it is equal to n+sod(n) for n = 146402271098 and 146402271107.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1036767 + ... + 1169482.

It is an arithmetic number, because the mean of its divisors is an integer number (27451265625).

Almost surely, 2^146402271142 is an apocalyptic number.

146402271142 is a deficient number, since it is larger than the sum of its proper divisors (73207853858).

146402271142 is a wasteful number, since it uses less digits than its factorization.

146402271142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239430.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 146402271142 its reverse (241172204641), we get a palindrome (387574475783).

The spelling of 146402271142 in words is "one hundred forty-six billion, four hundred two million, two hundred seventy-one thousand, one hundred forty-two".