2285142489 has 64 divisors (see below), whose sum is σ = 3969024000. Its totient is φ = 1298847312.

The previous prime is 2285142481. The next prime is 2285142539. The reversal of 2285142489 is 9842415822.

2285142489 is a `hidden beast` number, since 2 + 28 + 5 + 142 + 489 = 666.

It is not a de Polignac number, because 2285142489 - 2³ = 2285142481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2285142481) 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, 2101704 + ... + 2102790.

It is an arithmetic number, because the mean of its divisors is an integer number (62016000).

Almost surely, 2^2285142489 is an apocalyptic number.

It is an amenable number.

2285142489 is a deficient number, since it is larger than the sum of its proper divisors (1683881511).

2285142489 is a wasteful number, since it uses less digits than its factorization.

2285142489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1324 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 2285142489 is about 47803.1640061618. The cubic root of 2285142489 is about 1317.1576598425.

The spelling of 2285142489 in words is "two billion, two hundred eighty-five million, one hundred forty-two thousand, four hundred eighty-nine".