145454130223 has 4 divisors (see below), whose sum is σ = 145455982288. Its totient is φ = 145452278160.

The previous prime is 145454130197. The next prime is 145454130247. The reversal of 145454130223 is 322031454541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322031454541 = 67079 ⋅4800779.

It is a cyclic number.

It is not a de Polignac number, because 145454130223 - 2¹³ = 145454122031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145454130623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802758 + ... + 967123.

It is an arithmetic number, because the mean of its divisors is an integer number (36363995572).

Almost surely, 2^145454130223 is an apocalyptic number.

145454130223 is a deficient number, since it is larger than the sum of its proper divisors (1852065).

145454130223 is an equidigital number, since it uses as much as digits as its factorization.

145454130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852064.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 145454130223 its reverse (322031454541), we get a palindrome (467485584764).

The spelling of 145454130223 in words is "one hundred forty-five billion, four hundred fifty-four million, one hundred thirty thousand, two hundred twenty-three".