45242203430213 has 4 divisors (see below), whose sum is σ = 45242226885900. Its totient is φ = 45242179974528.

The previous prime is 45242203430141. The next prime is 45242203430239. The reversal of 45242203430213 is 31203430224254.

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 9487280900449 + 35754922529764 = 3080143^2 + 5979542^2 .

It is a cyclic number.

It is not a de Polignac number, because 45242203430213 - 2¹⁴ = 45242203413829 is a prime.

It is a super-2 number, since 2×45242203430213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45242203430243) 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, 8547020 + ... + 12788117.

It is an arithmetic number, because the mean of its divisors is an integer number (11310556721475).

Almost surely, 2^{45242203430213} is an apocalyptic number.

It is an amenable number.

45242203430213 is a deficient number, since it is larger than the sum of its proper divisors (23455687).

45242203430213 is a wasteful number, since it uses less digits than its factorization.

45242203430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23455686.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 45242203430213 its reverse (31203430224254), we get a palindrome (76445633654467).

The spelling of 45242203430213 in words is "forty-five trillion, two hundred forty-two billion, two hundred three million, four hundred thirty thousand, two hundred thirteen".