146402271143 has 8 divisors (see below), whose sum is σ = 150436948128. Its totient is φ = 142371692064.

The previous prime is 146402271139. The next prime is 146402271161. The reversal of 146402271143 is 341172204641.

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

It is a cyclic number.

It is not a de Polignac number, because 146402271143 - 2² = 146402271139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146402271163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951971 + ... + 1095012.

It is an arithmetic number, because the mean of its divisors is an integer number (18804618516).

Almost surely, 2^146402271143 is an apocalyptic number.

146402271143 is a deficient number, since it is larger than the sum of its proper divisors (4034676985).

146402271143 is a wasteful number, since it uses less digits than its factorization.

146402271143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048953.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 146402271143 its reverse (341172204641), we get a palindrome (487574475784).

The spelling of 146402271143 in words is "one hundred forty-six billion, four hundred two million, two hundred seventy-one thousand, one hundred forty-three".