1142300488 has 64 divisors (see below), whose sum is σ = 2557152000. Its totient is φ = 468018432.

The previous prime is 1142300479. The next prime is 1142300491. The reversal of 1142300488 is 8840032411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163858 + ... + 170686.

It is an arithmetic number, because the mean of its divisors is an integer number (39955500).

Almost surely, 2^1142300488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142300488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278576000).

1142300488 is an abundant number, since it is smaller than the sum of its proper divisors (1414851512).

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

1142300488 is a wasteful number, since it uses less digits than its factorization.

1142300488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974 (or 6970 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1142300488 is about 33797.9361500077. The cubic root of 1142300488 is about 1045.3461420574.

Adding to 1142300488 its reverse (8840032411), we get a palindrome (9982332899).

The spelling of 1142300488 in words is "one billion, one hundred forty-two million, three hundred thousand, four hundred eighty-eight".