345182520749 has 16 divisors (see below), whose sum is σ = 381022911360. Its totient is φ = 310101980160.

The previous prime is 345182520743. The next prime is 345182520797. The reversal of 345182520749 is 947025281543.

It is a cyclic number.

It is not a de Polignac number, because 345182520749 - 2¹⁶ = 345182455213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345182520697 and 345182520706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345182520743) 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, 6872 + ... + 830910.

It is an arithmetic number, because the mean of its divisors is an integer number (23813931960).

Almost surely, 2^345182520749 is an apocalyptic number.

It is an amenable number.

345182520749 is a deficient number, since it is larger than the sum of its proper divisors (35840390611).

345182520749 is a wasteful number, since it uses less digits than its factorization.

345182520749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824500.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 345182520749 in words is "three hundred forty-five billion, one hundred eighty-two million, five hundred twenty thousand, seven hundred forty-nine".