487811142 has 48 divisors (see below), whose sum is σ = 1300834080. Its totient is φ = 128653056.

The previous prime is 487811069. The next prime is 487811147. The reversal of 487811142 is 241118784.

It is a junction number, because it is equal to n+sod(n) for n = 487811097 and 487811106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487811147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147267 + ... + 150542.

It is an arithmetic number, because the mean of its divisors is an integer number (27100710).

Almost surely, 2^487811142 is an apocalyptic number.

487811142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

487811142 is an abundant number, since it is smaller than the sum of its proper divisors (813022938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487811142 is a wasteful number, since it uses less digits than its factorization.

487811142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297837 (or 297834 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 487811142 is about 22086.4470207410. The cubic root of 487811142 is about 787.1978608130.

The spelling of 487811142 in words is "four hundred eighty-seven million, eight hundred eleven thousand, one hundred forty-two".