15140345 has 16 divisors (see below), whose sum is σ = 20245248. Its totient is φ = 10775040.

The previous prime is 15140341. The next prime is 15140381. The reversal of 15140345 is 54304151.

It is not a de Polignac number, because 15140345 - 2² = 15140341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15140345.

It is not an unprimeable number, because it can be changed into a prime (15140341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (1265328).

Almost surely, 2^15140345 is an apocalyptic number.

It is an amenable number.

15140345 is a deficient number, since it is larger than the sum of its proper divisors (5104903).

15140345 is a wasteful number, since it uses less digits than its factorization.

15140345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 15140345 is about 3891.0596243183. The cubic root of 15140345 is about 247.3879777371.

Adding to 15140345 its reverse (54304151), we get a palindrome (69444496).

The spelling of 15140345 in words is "fifteen million, one hundred forty thousand, three hundred forty-five".