345144245533 has 4 divisors (see below), whose sum is σ = 363309732160. Its totient is φ = 326978758908.

The previous prime is 345144245527. The next prime is 345144245623. The reversal of 345144245533 is 335542441543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345144245533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345144245533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345144245233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082743285 + ... + 9082743322.

It is an arithmetic number, because the mean of its divisors is an integer number (90827433040).

Almost surely, 2^345144245533 is an apocalyptic number.

It is an amenable number.

345144245533 is a deficient number, since it is larger than the sum of its proper divisors (18165486627).

345144245533 is a wasteful number, since it uses less digits than its factorization.

345144245533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18165486626.

The product of its digits is 1728000, while the sum is 43.

The spelling of 345144245533 in words is "three hundred forty-five billion, one hundred forty-four million, two hundred forty-five thousand, five hundred thirty-three".