145344556313 has 16 divisors (see below), whose sum is σ = 160155807552. Its totient is φ = 130800120000.

The previous prime is 145344556289. The next prime is 145344556319. The reversal of 145344556313 is 313655443541.

It is a happy number.

It is not a de Polignac number, because 145344556313 - 2¹⁰ = 145344555289 is a prime.

It is a super-2 number, since 2×145344556313² (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 (145344556319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11171270 + ... + 11184272.

It is an arithmetic number, because the mean of its divisors is an integer number (10009737972).

Almost surely, 2^145344556313 is an apocalyptic number.

It is an amenable number.

145344556313 is a deficient number, since it is larger than the sum of its proper divisors (14811251239).

145344556313 is a wasteful number, since it uses less digits than its factorization.

145344556313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176.

The product of its digits is 1296000, while the sum is 44.

Adding to 145344556313 its reverse (313655443541), we get a palindrome (458999999854).

The spelling of 145344556313 in words is "one hundred forty-five billion, three hundred forty-four million, five hundred fifty-six thousand, three hundred thirteen".