146863448506 has 4 divisors (see below), whose sum is σ = 220295172762. Its totient is φ = 73431724252.

The previous prime is 146863448497. The next prime is 146863448531. The reversal of 146863448506 is 605844368641.

It is a happy number.

146863448506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 134425622881 + 12437825625 = 366641^2 + 111525^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36715862125 + ... + 36715862128.

Almost surely, 2^146863448506 is an apocalyptic number.

146863448506 is a deficient number, since it is larger than the sum of its proper divisors (73431724256).

146863448506 is an equidigital number, since it uses as much as digits as its factorization.

146863448506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73431724255.

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 146863448506 in words is "one hundred forty-six billion, eight hundred sixty-three million, four hundred forty-eight thousand, five hundred six".