146755723645 has 32 divisors (see below), whose sum is σ = 188452425600. Its totient is φ = 109384805376.

The previous prime is 146755723637. The next prime is 146755723649. The reversal of 146755723645 is 546327557641.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 146755723645 - 2³ = 146755723637 is a prime.

It is a super-2 number, since 2×146755723645² (a number of 23 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 3908521 + ... + 3945889.

It is an arithmetic number, because the mean of its divisors is an integer number (5889138300).

Almost surely, 2^146755723645 is an apocalyptic number.

It is an amenable number.

146755723645 is a deficient number, since it is larger than the sum of its proper divisors (41696701955).

146755723645 is a wasteful number, since it uses less digits than its factorization.

146755723645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38077.

The product of its digits is 21168000, while the sum is 55.

The spelling of 146755723645 in words is "one hundred forty-six billion, seven hundred fifty-five million, seven hundred twenty-three thousand, six hundred forty-five".