485143815 has 64 divisors (see below), whose sum is σ = 903974400. Its totient is φ = 220091904.

The previous prime is 485143753. The next prime is 485143817. The reversal of 485143815 is 518341584.

It is not a de Polignac number, because 485143815 - 2⁶ = 485143751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485143817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135316 + ... + 138854.

It is an arithmetic number, because the mean of its divisors is an integer number (14124600).

Almost surely, 2^485143815 is an apocalyptic number.

485143815 is a deficient number, since it is larger than the sum of its proper divisors (418830585).

485143815 is a wasteful number, since it uses less digits than its factorization.

485143815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616.

The product of its digits is 76800, while the sum is 39.

The square root of 485143815 is about 22025.9804549082. The cubic root of 485143815 is about 785.7604515102.

The spelling of 485143815 in words is "four hundred eighty-five million, one hundred forty-three thousand, eight hundred fifteen".