146488388641 has 4 divisors (see below), whose sum is σ = 167415301312. Its totient is φ = 125561475972.

The previous prime is 146488388609. The next prime is 146488388647. The reversal of 146488388641 is 146883884641.

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 146488388641 - 2⁵ = 146488388609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146488388641.

It is not an unprimeable number, because it can be changed into a prime (146488388647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10463456325 + ... + 10463456338.

It is an arithmetic number, because the mean of its divisors is an integer number (41853825328).

Almost surely, 2^146488388641 is an apocalyptic number.

It is an amenable number.

146488388641 is a deficient number, since it is larger than the sum of its proper divisors (20926912671).

146488388641 is an equidigital number, since it uses as much as digits as its factorization.

146488388641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20926912670.

The product of its digits is 28311552, while the sum is 61.

The spelling of 146488388641 in words is "one hundred forty-six billion, four hundred eighty-eight million, three hundred eighty-eight thousand, six hundred forty-one".