1142300489 has 16 divisors (see below), whose sum is σ = 1265077440. Its totient is φ = 1022794560.

The previous prime is 1142300479. The next prime is 1142300491. The reversal of 1142300489 is 9840032411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1142300489 - 2⁴ = 1142300473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142300449) 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 15 ways as a sum of consecutive naturals, for example, 204674 + ... + 210180.

It is an arithmetic number, because the mean of its divisors is an integer number (79067340).

Almost surely, 2^1142300489 is an apocalyptic number.

It is an amenable number.

1142300489 is a deficient number, since it is larger than the sum of its proper divisors (122776951).

1142300489 is a wasteful number, since it uses less digits than its factorization.

1142300489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1142300489 is about 33797.9361648015. The cubic root of 1142300489 is about 1045.3461423624.

The spelling of 1142300489 in words is "one billion, one hundred forty-two million, three hundred thousand, four hundred eighty-nine".