345234473472 has 160 divisors (see below), whose sum is σ = 1058682240000. Its totient is φ = 97928368128.

The previous prime is 345234473471. The next prime is 345234473491. The reversal of 345234473472 is 274374432543.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (345234473471) 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, 1379029 + ... + 1610027.

It is an arithmetic number, because the mean of its divisors is an integer number (6616764000).

Almost surely, 2^345234473472 is an apocalyptic number.

345234473472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345234473472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529341120000).

345234473472 is an abundant number, since it is smaller than the sum of its proper divisors (713447766528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345234473472 is a wasteful number, since it uses less digits than its factorization.

345234473472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231166 (or 231150 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 48.

The spelling of 345234473472 in words is "three hundred forty-five billion, two hundred thirty-four million, four hundred seventy-three thousand, four hundred seventy-two".