146139220575 has 96 divisors (see below), whose sum is σ = 289165817600. Its totient is φ = 72121311360.

The previous prime is 146139220571. The next prime is 146139220723. The reversal of 146139220575 is 575022931641.

146139220575 is a `hidden beast` number, since 1 + 4 + 613 + 9 + 2 + 20 + 5 + 7 + 5 = 666.

It is not a de Polignac number, because 146139220575 - 2² = 146139220571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 146139220575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146139220571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 418977 + ... + 683973.

Almost surely, 2^146139220575 is an apocalyptic number.

146139220575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

146139220575 is a deficient number, since it is larger than the sum of its proper divisors (143026597025).

146139220575 is a wasteful number, since it uses less digits than its factorization.

146139220575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265078 (or 265067 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 146139220575 in words is "one hundred forty-six billion, one hundred thirty-nine million, two hundred twenty thousand, five hundred seventy-five".