415842155 has 4 divisors (see below), whose sum is σ = 499010592. Its totient is φ = 332673720.

The previous prime is 415842137. The next prime is 415842157. The reversal of 415842155 is 551248514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551248514 = 2 ⋅275624257.

It is a de Polignac number, because none of the positive numbers 2^k-415842155 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415842157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41584211 + ... + 41584220.

It is an arithmetic number, because the mean of its divisors is an integer number (124752648).

Almost surely, 2^415842155 is an apocalyptic number.

415842155 is a deficient number, since it is larger than the sum of its proper divisors (83168437).

415842155 is an equidigital number, since it uses as much as digits as its factorization.

415842155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83168436.

The product of its digits is 32000, while the sum is 35.

The square root of 415842155 is about 20392.2081933272. The cubic root of 415842155 is about 746.4078030373.

The spelling of 415842155 in words is "four hundred fifteen million, eight hundred forty-two thousand, one hundred fifty-five".