287145744456 has 16 divisors (see below), whose sum is σ = 717864361200. Its totient is φ = 95715248144.

The previous prime is 287145744449. The next prime is 287145744517. The reversal of 287145744456 is 654447541782.

It is a junction number, because it is equal to n+sod(n) for n = 287145744396 and 287145744405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5982202986 + ... + 5982203033.

It is an arithmetic number, because the mean of its divisors is an integer number (44866522575).

Almost surely, 2^287145744456 is an apocalyptic number.

It is an amenable number.

287145744456 is an abundant number, since it is smaller than the sum of its proper divisors (430718616744).

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

287145744456 is a wasteful number, since it uses less digits than its factorization.

287145744456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964406028 (or 11964406024 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 57.

The spelling of 287145744456 in words is "two hundred eighty-seven billion, one hundred forty-five million, seven hundred forty-four thousand, four hundred fifty-six".