140300345 has 32 divisors (see below), whose sum is σ = 180956160. Its totient is φ = 104195520.

The previous prime is 140300341. The next prime is 140300359. The reversal of 140300345 is 543003041.

It is not a de Polignac number, because 140300345 - 2² = 140300341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140300341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009286 + ... + 1009424.

It is an arithmetic number, because the mean of its divisors is an integer number (5654880).

Almost surely, 2^140300345 is an apocalyptic number.

It is an amenable number.

140300345 is a deficient number, since it is larger than the sum of its proper divisors (40655815).

140300345 is a wasteful number, since it uses less digits than its factorization.

140300345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

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

The square root of 140300345 is about 11844.8446591756. The cubic root of 140300345 is about 519.6204639304.

Adding to 140300345 its reverse (543003041), we get a palindrome (683303386).

The spelling of 140300345 in words is "one hundred forty million, three hundred thousand, three hundred forty-five".