145220410013 has 12 divisors (see below), whose sum is σ = 170671415292. Its totient is φ = 123191389440.

The previous prime is 145220410007. The next prime is 145220410031. The reversal of 145220410013 is 310014022541.

It can be written as a sum of positive squares in 2 ways, for example, as 78063242404 + 67157167609 = 279398^2 + 259147^2 .

It is not a de Polignac number, because 145220410013 - 2¹⁰ = 145220408989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145220410213) 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 11 ways as a sum of consecutive naturals, for example, 15271958 + ... + 15281463.

It is an arithmetic number, because the mean of its divisors is an integer number (14222617941).

Almost surely, 2^145220410013 is an apocalyptic number.

It is an amenable number.

145220410013 is a deficient number, since it is larger than the sum of its proper divisors (25451005279).

145220410013 is an equidigital number, since it uses as much as digits as its factorization.

145220410013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30553532 (or 30553525 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 145220410013 its reverse (310014022541), we get a palindrome (455234432554).

The spelling of 145220410013 in words is "one hundred forty-five billion, two hundred twenty million, four hundred ten thousand, thirteen".