1142449039 has 8 divisors (see below), whose sum is σ = 1147990608. Its totient is φ = 1136916480.

The previous prime is 1142449027. The next prime is 1142449067. The reversal of 1142449039 is 9309442411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142449039 is a prime.

It is a super-3 number, since 3×1142449039³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142448989 and 1142449007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142449639) 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 7 ways as a sum of consecutive naturals, for example, 478629 + ... + 481009.

It is an arithmetic number, because the mean of its divisors is an integer number (143498826).

Almost surely, 2^1142449039 is an apocalyptic number.

1142449039 is a deficient number, since it is larger than the sum of its proper divisors (5541569).

1142449039 is a wasteful number, since it uses less digits than its factorization.

1142449039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1142449039 is about 33800.1337127533. The cubic root of 1142449039 is about 1045.3914542688.

The spelling of 1142449039 in words is "one billion, one hundred forty-two million, four hundred forty-nine thousand, thirty-nine".