145410433213 has 4 divisors (see below), whose sum is σ = 145755826588. Its totient is φ = 145065039840.

The previous prime is 145410433211. The next prime is 145410433261. The reversal of 145410433213 is 312334014541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312334014541 = 397 ⋅786735553.

It can be written as a sum of positive squares in 2 ways, for example, as 54672727684 + 90737705529 = 233822^2 + 301227^2 .

It is a cyclic number.

It is not a de Polignac number, because 145410433213 - 2¹ = 145410433211 is a prime.

It is a super-2 number, since 2×145410433213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145410433211) 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, 172696056 + ... + 172696897.

It is an arithmetic number, because the mean of its divisors is an integer number (36438956647).

Almost surely, 2^145410433213 is an apocalyptic number.

It is an amenable number.

145410433213 is a deficient number, since it is larger than the sum of its proper divisors (345393375).

145410433213 is an equidigital number, since it uses as much as digits as its factorization.

145410433213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345393374.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 145410433213 its reverse (312334014541), we get a palindrome (457744447754).

The spelling of 145410433213 in words is "one hundred forty-five billion, four hundred ten million, four hundred thirty-three thousand, two hundred thirteen".