146065922369 has 4 divisors (see below), whose sum is σ = 146103102660. Its totient is φ = 146028742080.

The previous prime is 146065922363. The next prime is 146065922381. The reversal of 146065922369 is 963229560641.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8614067344 + 137451855025 = 92812^2 + 370745^2 .

It is a cyclic number.

It is not a de Polignac number, because 146065922369 - 2³⁶ = 77346445633 is a prime.

It is a super-2 number, since 2×146065922369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146065922369.

It is not an unprimeable number, because it can be changed into a prime (146065922363) 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, 18584252 + ... + 18592109.

It is an arithmetic number, because the mean of its divisors is an integer number (36525775665).

Almost surely, 2^146065922369 is an apocalyptic number.

It is an amenable number.

146065922369 is a deficient number, since it is larger than the sum of its proper divisors (37180291).

146065922369 is an equidigital number, since it uses as much as digits as its factorization.

146065922369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37180290.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 146065922369 in words is "one hundred forty-six billion, sixty-five million, nine hundred twenty-two thousand, three hundred sixty-nine".