145434155233 has 4 divisors (see below), whose sum is σ = 145469399040. Its totient is φ = 145398911428.

The previous prime is 145434155183. The next prime is 145434155257. The reversal of 145434155233 is 332551434541.

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 145434155233 - 2⁹ = 145434154721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145434155833) 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, 17615713 + ... + 17623966.

It is an arithmetic number, because the mean of its divisors is an integer number (36367349760).

Almost surely, 2^145434155233 is an apocalyptic number.

It is an amenable number.

145434155233 is a deficient number, since it is larger than the sum of its proper divisors (35243807).

145434155233 is an equidigital number, since it uses as much as digits as its factorization.

145434155233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35243806.

The product of its digits is 432000, while the sum is 40.

Adding to 145434155233 its reverse (332551434541), we get a palindrome (477985589774).

The spelling of 145434155233 in words is "one hundred forty-five billion, four hundred thirty-four million, one hundred fifty-five thousand, two hundred thirty-three".