145304043313 has 32 divisors (see below), whose sum is σ = 179742729600. Its totient is φ = 115482931200.

The previous prime is 145304043217. The next prime is 145304043341. The reversal of 145304043313 is 313340403541.

It is not a de Polignac number, because 145304043313 - 2⁹ = 145304042801 is a prime.

It is a super-2 number, since 2×145304043313² (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 (145304043343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14778283 + ... + 14788111.

It is an arithmetic number, because the mean of its divisors is an integer number (5616960300).

Almost surely, 2^145304043313 is an apocalyptic number.

145304043313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145304043313 is a deficient number, since it is larger than the sum of its proper divisors (34438686287).

145304043313 is a wasteful number, since it uses less digits than its factorization.

145304043313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15313.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 145304043313 its reverse (313340403541), we get a palindrome (458644446854).

The spelling of 145304043313 in words is "one hundred forty-five billion, three hundred four million, forty-three thousand, three hundred thirteen".