345747140 has 12 divisors (see below), whose sum is σ = 726069036. Its totient is φ = 138298848.

The previous prime is 345747131. The next prime is 345747163. The reversal of 345747140 is 41747543.

It can be written as a sum of positive squares in 2 ways, for example, as 96864964 + 248882176 = 9842^2 + 15776^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345747140.

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, 8643659 + ... + 8643698.

It is an arithmetic number, because the mean of its divisors is an integer number (60505753).

Almost surely, 2^345747140 is an apocalyptic number.

It is an amenable number.

345747140 is an abundant number, since it is smaller than the sum of its proper divisors (380321896).

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

345747140 is a wasteful number, since it uses less digits than its factorization.

345747140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17287366 (or 17287364 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 345747140 is about 18594.2770765631. The cubic root of 345747140 is about 701.8638356262.

It can be divided in two parts, 34574 and 7140, that added together give a palindrome (41714).

The spelling of 345747140 in words is "three hundred forty-five million, seven hundred forty-seven thousand, one hundred forty".