345300140 has 12 divisors (see below), whose sum is σ = 725130336. Its totient is φ = 138120048.

The previous prime is 345300097. The next prime is 345300181. The reversal of 345300140 is 41003543.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 17265007 = 345300140 / (3 + 4 + 5 + 3 + 0 + 0 + 1 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8632484 + ... + 8632523.

It is an arithmetic number, because the mean of its divisors is an integer number (60427528).

Almost surely, 2^345300140 is an apocalyptic number.

It is an amenable number.

345300140 is an abundant number, since it is smaller than the sum of its proper divisors (379830196).

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

345300140 is a wasteful number, since it uses less digits than its factorization.

345300140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17265016 (or 17265014 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 345300140 is about 18582.2533617428. The cubic root of 345300140 is about 701.5612364152.

Adding to 345300140 its reverse (41003543), we get a palindrome (386303683).

The spelling of 345300140 in words is "three hundred forty-five million, three hundred thousand, one hundred forty".