415140243 has 8 divisors (see below), whose sum is σ = 632594688. Its totient is φ = 237222984.

The previous prime is 415140217. The next prime is 415140247. The reversal of 415140243 is 342041514.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 415140243 - 2¹³ = 415132051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (415140247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9884271 + ... + 9884312.

It is an arithmetic number, because the mean of its divisors is an integer number (79074336).

Almost surely, 2^415140243 is an apocalyptic number.

415140243 is a deficient number, since it is larger than the sum of its proper divisors (217454445).

415140243 is a wasteful number, since it uses less digits than its factorization.

415140243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19768593.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 415140243 is about 20374.9906257647. The cubic root of 415140243 is about 745.9876054215.

Adding to 415140243 its reverse (342041514), we get a palindrome (757181757).

The spelling of 415140243 in words is "four hundred fifteen million, one hundred forty thousand, two hundred forty-three".