1142304045 has 16 divisors (see below), whose sum is σ = 1830682752. Its totient is φ = 608230080.

The previous prime is 1142304013. The next prime is 1142304047. The reversal of 1142304045 is 5404032411.

It is not a de Polignac number, because 1142304045 - 2⁵ = 1142304013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142304047) 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, 52921 + ... + 71310.

It is an arithmetic number, because the mean of its divisors is an integer number (114417672).

Almost surely, 2^1142304045 is an apocalyptic number.

1142304045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142304045 is a deficient number, since it is larger than the sum of its proper divisors (688378707).

1142304045 is a wasteful number, since it uses less digits than its factorization.

1142304045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124852.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1142304045 is about 33797.9887715231. The cubic root of 1142304045 is about 1045.3472270878.

Adding to 1142304045 its reverse (5404032411), we get a palindrome (6546336456).

The spelling of 1142304045 in words is "one billion, one hundred forty-two million, three hundred four thousand, forty-five".