15040043 has 2 divisors, whose sum is σ = 15040044. Its totient is φ = 15040042.

The previous prime is 15040037. The next prime is 15040049. The reversal of 15040043 is 34004051.

It is a balanced prime because it is at equal distance from previous prime (15040037) and next prime (15040049).

It is a cyclic number.

It is not a de Polignac number, because 15040043 - 2¹² = 15035947 is a prime.

It is not a weakly prime, because it can be changed into another prime (15040049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520021 + 7520022.

It is an arithmetic number, because the mean of its divisors is an integer number (7520022).

Almost surely, 2^15040043 is an apocalyptic number.

15040043 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040043 is an equidigital number, since it uses as much as digits as its factorization.

15040043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 15040043 is about 3878.1494298183. The cubic root of 15040043 is about 246.8404669531.

Adding to 15040043 its reverse (34004051), we get a palindrome (49044094).

The spelling of 15040043 in words is "fifteen million, forty thousand, forty-three".