146343645553 has 4 divisors (see below), whose sum is σ = 167249880640. Its totient is φ = 125437410468.

The previous prime is 146343645533. The next prime is 146343645587. The reversal of 146343645553 is 355546343641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 355546343641 = 129469 ⋅2746189.

It is a cyclic number.

It is not a de Polignac number, because 146343645553 - 2⁵ = 146343645521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146343645497 and 146343645506.

It is not an unprimeable number, because it can be changed into a prime (146343645523) 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, 10453117533 + ... + 10453117546.

It is an arithmetic number, because the mean of its divisors is an integer number (41812470160).

Almost surely, 2^146343645553 is an apocalyptic number.

It is an amenable number.

146343645553 is a deficient number, since it is larger than the sum of its proper divisors (20906235087).

146343645553 is an equidigital number, since it uses as much as digits as its factorization.

146343645553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20906235086.

The product of its digits is 7776000, while the sum is 49.

The spelling of 146343645553 in words is "one hundred forty-six billion, three hundred forty-three million, six hundred forty-five thousand, five hundred fifty-three".