345711140 has 12 divisors (see below), whose sum is σ = 725993436. Its totient is φ = 138284448.

The previous prime is 345711131. The next prime is 345711169. The reversal of 345711140 is 41117543.

It can be written as a sum of positive squares in 2 ways, for example, as 260370496 + 85340644 = 16136^2 + 9238^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8642759 + ... + 8642798.

It is an arithmetic number, because the mean of its divisors is an integer number (60499453).

Almost surely, 2^345711140 is an apocalyptic number.

It is an amenable number.

345711140 is an abundant number, since it is smaller than the sum of its proper divisors (380282296).

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

345711140 is a wasteful number, since it uses less digits than its factorization.

345711140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17285566 (or 17285564 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 345711140 is about 18593.3090115773. The cubic root of 345711140 is about 701.8394748798.

Adding to 345711140 its reverse (41117543), we get a palindrome (386828683).

The spelling of 345711140 in words is "three hundred forty-five million, seven hundred eleven thousand, one hundred forty".