1142353513 has 6 divisors (see below), whose sum is σ = 1328860266. Its totient is φ = 979160112.

The previous prime is 1142353481. The next prime is 1142353519. The reversal of 1142353513 is 3153532411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 791465689 + 350887824 = 28133^2 + 18732^2 .

It is not a de Polignac number, because 1142353513 - 2⁵ = 1142353481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142353519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11656620 + ... + 11656717.

It is an arithmetic number, because the mean of its divisors is an integer number (221476711).

Almost surely, 2^1142353513 is an apocalyptic number.

It is an amenable number.

1142353513 is a deficient number, since it is larger than the sum of its proper divisors (186506753).

1142353513 is an equidigital number, since it uses as much as digits as its factorization.

1142353513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23313351 (or 23313344 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1142353513 is about 33798.7205822942. The cubic root of 1142353513 is about 1045.3623166168.

Adding to 1142353513 its reverse (3153532411), we get a palindrome (4295885924).

The spelling of 1142353513 in words is "one billion, one hundred forty-two million, three hundred fifty-three thousand, five hundred thirteen".