213142441445 has 8 divisors (see below), whose sum is σ = 256150979736. Its totient is φ = 170260586496.

The previous prime is 213142441439. The next prime is 213142441489. The reversal of 213142441445 is 544144241312.

It can be written as a sum of positive squares in 4 ways, for example, as 20036685601 + 193105755844 = 141551^2 + 439438^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213142441445 - 2¹⁶ = 213142375909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31667132 + ... + 31673861.

It is an arithmetic number, because the mean of its divisors is an integer number (32018872467).

Almost surely, 2^213142441445 is an apocalyptic number.

It is an amenable number.

213142441445 is a deficient number, since it is larger than the sum of its proper divisors (43008538291).

213142441445 is an equidigital number, since it uses as much as digits as its factorization.

213142441445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63341671.

The product of its digits is 61440, while the sum is 35.

Adding to 213142441445 its reverse (544144241312), we get a palindrome (757286682757).

The spelling of 213142441445 in words is "two hundred thirteen billion, one hundred forty-two million, four hundred forty-one thousand, four hundred forty-five".