145334535043213 has 4 divisors (see below), whose sum is σ = 145354684022428. Its totient is φ = 145314386064000.

The previous prime is 145334535043177. The next prime is 145334535043231. The reversal of 145334535043213 is 312340535433541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52505414507844 + 92829120535369 = 7246062^2 + 9634787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145334535043213 is a prime.

It is a super-2 number, since 2×145334535043213² (a number of 29 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 (145334535040213) 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, 10074478788 + ... + 10074493213.

It is an arithmetic number, because the mean of its divisors is an integer number (36338671005607).

Almost surely, 2^{145334535043213} is an apocalyptic number.

It is an amenable number.

145334535043213 is a deficient number, since it is larger than the sum of its proper divisors (20148979215).

145334535043213 is an equidigital number, since it uses as much as digits as its factorization.

145334535043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20148979214.

The product of its (nonzero) digits is 3888000, while the sum is 46.

The spelling of 145334535043213 in words is "one hundred forty-five trillion, three hundred thirty-four billion, five hundred thirty-five million, forty-three thousand, two hundred thirteen".