1142142315 has 32 divisors (see below), whose sum is σ = 1865229120. Its totient is φ = 596583936.

The previous prime is 1142142301. The next prime is 1142142317. The reversal of 1142142315 is 5132412411.

It is not a de Polignac number, because 1142142315 - 2¹¹ = 1142140267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142142317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658189 + ... + 659921.

It is an arithmetic number, because the mean of its divisors is an integer number (58288410).

Almost surely, 2^1142142315 is an apocalyptic number.

1142142315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142142315 is a deficient number, since it is larger than the sum of its proper divisors (723086805).

1142142315 is a wasteful number, since it uses less digits than its factorization.

1142142315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623.

The product of its digits is 960, while the sum is 24.

The square root of 1142142315 is about 33795.5960888397. The cubic root of 1142142315 is about 1045.2978905481.

Adding to 1142142315 its reverse (5132412411), we get a palindrome (6274554726).

The spelling of 1142142315 in words is "one billion, one hundred forty-two million, one hundred forty-two thousand, three hundred fifteen".