287480142 has 24 divisors (see below), whose sum is σ = 627004560. Its totient is φ = 95191200.

The previous prime is 287480119. The next prime is 287480147. The reversal of 287480142 is 241084782.

287480142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 287480097 and 287480106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287480147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50167 + ... + 55602.

It is an arithmetic number, because the mean of its divisors is an integer number (26125190).

Almost surely, 2^287480142 is an apocalyptic number.

287480142 is an abundant number, since it is smaller than the sum of its proper divisors (339524418).

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

287480142 is a wasteful number, since it uses less digits than its factorization.

287480142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105928 (or 105925 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 287480142 is about 16955.2393672281. The cubic root of 287480142 is about 659.9878647906.

The spelling of 287480142 in words is "two hundred eighty-seven million, four hundred eighty thousand, one hundred forty-two".