1142330505 has 8 divisors (see below), whose sum is σ = 1827728832. Its totient is φ = 609242928.

The previous prime is 1142330429. The next prime is 1142330507. The reversal of 1142330505 is 5050332411.

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

It is not a de Polignac number, because 1142330505 - 2¹⁹ = 1141806217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142330507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38077669 + ... + 38077698.

It is an arithmetic number, because the mean of its divisors is an integer number (228466104).

Almost surely, 2^1142330505 is an apocalyptic number.

1142330505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142330505 is a deficient number, since it is larger than the sum of its proper divisors (685398327).

1142330505 is an equidigital number, since it uses as much as digits as its factorization.

1142330505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76155375.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1142330505 is about 33798.3802126670. The cubic root of 1142330505 is about 1045.3552983989.

Adding to 1142330505 its reverse (5050332411), we get a palindrome (6192662916).

The spelling of 1142330505 in words is "one billion, one hundred forty-two million, three hundred thirty thousand, five hundred five".