146456440122311 has 4 divisors (see below), whose sum is σ = 159770661951624. Its totient is φ = 133142218293000.

The previous prime is 146456440122271. The next prime is 146456440122409. The reversal of 146456440122311 is 113221044654641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146456440122311 - 2¹⁸ = 146456439860167 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 (146456440125311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6657110914640 + ... + 6657110914661.

It is an arithmetic number, because the mean of its divisors is an integer number (39942665487906).

Almost surely, 2^{146456440122311} is an apocalyptic number.

146456440122311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

146456440122311 is a deficient number, since it is larger than the sum of its proper divisors (13314221829313).

146456440122311 is a wasteful number, since it uses less digits than its factorization.

146456440122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13314221829312.

The product of its (nonzero) digits is 552960, while the sum is 44.

Adding to 146456440122311 its reverse (113221044654641), we get a palindrome (259677484776952).

The spelling of 146456440122311 in words is "one hundred forty-six trillion, four hundred fifty-six billion, four hundred forty million, one hundred twenty-two thousand, three hundred eleven".