146540252386 has 48 divisors (see below), whose sum is σ = 243317302200. Its totient is φ = 66139476480.

The previous prime is 146540252381. The next prime is 146540252387. The reversal of 146540252386 is 683252045641.

It is a happy number.

146540252386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 105150384361 + 41389868025 = 324269^2 + 203445^2 .

It is not an unprimeable number, because it can be changed into a prime (146540252381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42241060 + ... + 42244528.

Almost surely, 2^146540252386 is an apocalyptic number.

146540252386 is a deficient number, since it is larger than the sum of its proper divisors (96777049814).

146540252386 is a wasteful number, since it uses less digits than its factorization.

146540252386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675 (or 4664 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 146540252386 in words is "one hundred forty-six billion, five hundred forty million, two hundred fifty-two thousand, three hundred eighty-six".