145103563313 has 4 divisors (see below), whose sum is σ = 145639001088. Its totient is φ = 144568125540.

The previous prime is 145103563303. The next prime is 145103563357. The reversal of 145103563313 is 313365301541.

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: 313365301541 = 1319 ⋅237577939.

It is a cyclic number.

It is not a de Polignac number, because 145103563313 - 2⁶ = 145103563249 is a prime.

It is a super-2 number, since 2×145103563313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145103563303) 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, 267718481 + ... + 267719022.

It is an arithmetic number, because the mean of its divisors is an integer number (36409750272).

Almost surely, 2^145103563313 is an apocalyptic number.

It is an amenable number.

145103563313 is a deficient number, since it is larger than the sum of its proper divisors (535437775).

145103563313 is an equidigital number, since it uses as much as digits as its factorization.

145103563313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535437774.

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 145103563313 its reverse (313365301541), we get a palindrome (458468864854).

The spelling of 145103563313 in words is "one hundred forty-five billion, one hundred three million, five hundred sixty-three thousand, three hundred thirteen".