146156346240 has 128 divisors (see below), whose sum is σ = 478464757920. Its totient is φ = 37921628160.

The previous prime is 146156346221. The next prime is 146156346269. The reversal of 146156346240 is 42643651641.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 146156346192 and 146156346201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957651 + ... + 1099730.

Almost surely, 2^146156346240 is an apocalyptic number.

146156346240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146156346240 is an abundant number, since it is smaller than the sum of its proper divisors (332308411680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146156346240 is a wasteful number, since it uses less digits than its factorization.

146156346240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057440 (or 2057428 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 146156346240 its reverse (42643651641), we get a palindrome (188799997881).

The spelling of 146156346240 in words is "one hundred forty-six billion, one hundred fifty-six million, three hundred forty-six thousand, two hundred forty".