146223194743 has 4 divisors (see below), whose sum is σ = 146562460128. Its totient is φ = 145883929360.

The previous prime is 146223194731. The next prime is 146223194773. The reversal of 146223194743 is 347491322641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347491322641 = 4073 ⋅85315817.

It is a cyclic number.

It is not a de Polignac number, because 146223194743 - 2²¹ = 146221097591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146223194693 and 146223194702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146223194773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169632046 + ... + 169632907.

It is an arithmetic number, because the mean of its divisors is an integer number (36640615032).

Almost surely, 2^146223194743 is an apocalyptic number.

146223194743 is a deficient number, since it is larger than the sum of its proper divisors (339265385).

146223194743 is an equidigital number, since it uses as much as digits as its factorization.

146223194743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339265384.

The product of its digits is 870912, while the sum is 46.

The spelling of 146223194743 in words is "one hundred forty-six billion, two hundred twenty-three million, one hundred ninety-four thousand, seven hundred forty-three".