145424452432213 has 2 divisors, whose sum is σ = 145424452432214. Its totient is φ = 145424452432212.

The previous prime is 145424452432183. The next prime is 145424452432223. The reversal of 145424452432213 is 312234254424541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138611840862609 + 6812611569604 = 11773353^2 + 2610098^2 .

It is a cyclic number.

It is not a de Polignac number, because 145424452432213 - 2³³ = 145415862497621 is a prime.

It is a super-2 number, since 2×145424452432213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145424452432223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72712226216106 + 72712226216107.

It is an arithmetic number, because the mean of its divisors is an integer number (72712226216107).

Almost surely, 2^{145424452432213} is an apocalyptic number.

It is an amenable number.

145424452432213 is a deficient number, since it is larger than the sum of its proper divisors (1).

145424452432213 is an equidigital number, since it uses as much as digits as its factorization.

145424452432213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3686400, while the sum is 46.

The spelling of 145424452432213 in words is "one hundred forty-five trillion, four hundred twenty-four billion, four hundred fifty-two million, four hundred thirty-two thousand, two hundred thirteen".