146329972577 has 4 divisors (see below), whose sum is σ = 146367856320. Its totient is φ = 146292088836.

The previous prime is 146329972571. The next prime is 146329972639. The reversal of 146329972577 is 775279923641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146329972577 - 2¹⁴ = 146329956193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146329972571) 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 3 ways as a sum of consecutive naturals, for example, 18936077 + ... + 18943802.

It is an arithmetic number, because the mean of its divisors is an integer number (36591964080).

Almost surely, 2^146329972577 is an apocalyptic number.

It is an amenable number.

146329972577 is a deficient number, since it is larger than the sum of its proper divisors (37883743).

146329972577 is an equidigital number, since it uses as much as digits as its factorization.

146329972577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37883742.

The product of its digits is 40007520, while the sum is 62.

The spelling of 146329972577 in words is "one hundred forty-six billion, three hundred twenty-nine million, nine hundred seventy-two thousand, five hundred seventy-seven".