345220237245 has 16 divisors (see below), whose sum is σ = 594841024512. Its totient is φ = 169954578240.

The previous prime is 345220237223. The next prime is 345220237247. The reversal of 345220237245 is 542732022543.

345220237245 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 345220237245 - 2¹⁴ = 345220220861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345220237247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885179901 + ... + 885180290.

It is an arithmetic number, because the mean of its divisors is an integer number (37177564032).

Almost surely, 2^345220237245 is an apocalyptic number.

It is an amenable number.

345220237245 is a deficient number, since it is larger than the sum of its proper divisors (249620787267).

345220237245 is a wasteful number, since it uses less digits than its factorization.

345220237245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770360212.

The product of its (nonzero) digits is 403200, while the sum is 39.

Adding to 345220237245 its reverse (542732022543), we get a palindrome (887952259788).

The spelling of 345220237245 in words is "three hundred forty-five billion, two hundred twenty million, two hundred thirty-seven thousand, two hundred forty-five".