487233945 has 72 divisors (see below), whose sum is σ = 948205440. Its totient is φ = 229530240.

The previous prime is 487233941. The next prime is 487233947. The reversal of 487233945 is 549332784.

It is not a de Polignac number, because 487233945 - 2² = 487233941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 487233945.

It is not an unprimeable number, because it can be changed into a prime (487233941) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 677296 + ... + 678014.

It is an arithmetic number, because the mean of its divisors is an integer number (13169520).

Almost surely, 2^487233945 is an apocalyptic number.

487233945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

487233945 is a deficient number, since it is larger than the sum of its proper divisors (460971495).

487233945 is a wasteful number, since it uses less digits than its factorization.

487233945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 775 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 487233945 is about 22073.3763842327. The cubic root of 487233945 is about 786.8872572952.

It can be divided in two parts, 487 and 233945, that added together give a palindrome (234432).

The spelling of 487233945 in words is "four hundred eighty-seven million, two hundred thirty-three thousand, nine hundred forty-five".