146755723646 has 16 divisors (see below), whose sum is σ = 252081414144. Its totient is φ = 62770266744.

The previous prime is 146755723637. The next prime is 146755723649. The reversal of 146755723646 is 646327557641.

It is a happy number.

It is a super-2 number, since 2×146755723646² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146755723591 and 146755723600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146755723649) 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, 10412990 + ... + 10427073.

It is an arithmetic number, because the mean of its divisors is an integer number (15755088384).

Almost surely, 2^146755723646 is an apocalyptic number.

146755723646 is a deficient number, since it is larger than the sum of its proper divisors (105325690498).

146755723646 is a wasteful number, since it uses less digits than its factorization.

146755723646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20840575.

The product of its digits is 25401600, while the sum is 56.

The spelling of 146755723646 in words is "one hundred forty-six billion, seven hundred fifty-five million, seven hundred twenty-three thousand, six hundred forty-six".