140830345 has 16 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 110428288.

The previous prime is 140830309. The next prime is 140830379. The reversal of 140830345 is 543038041.

It is a cyclic number.

It is not a de Polignac number, because 140830345 - 2⁹ = 140829833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167436 + ... + 168274.

It is an arithmetic number, because the mean of its divisors is an integer number (10773000).

Almost surely, 2^140830345 is an apocalyptic number.

It is an amenable number.

140830345 is a deficient number, since it is larger than the sum of its proper divisors (31537655).

140830345 is an equidigital number, since it uses as much as digits as its factorization.

140830345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 140830345 is about 11867.1961726433. The cubic root of 140830345 is about 520.2739495858.

Adding to 140830345 its reverse (543038041), we get a palindrome (683868386).

The spelling of 140830345 in words is "one hundred forty million, eight hundred thirty thousand, three hundred forty-five".