1142464253 has 12 divisors (see below), whose sum is σ = 1343926620. Its totient is φ = 968248512.

The previous prime is 1142464247. The next prime is 1142464289. The reversal of 1142464253 is 3524642411.

It can be written as a sum of positive squares in 2 ways, for example, as 414651769 + 727812484 = 20363^2 + 26978^2 .

It is not a de Polignac number, because 1142464253 - 2⁸ = 1142463997 is a prime.

It is a super-4 number, since 4×1142464253⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142464553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126626 + ... + 135347.

It is an arithmetic number, because the mean of its divisors is an integer number (111993885).

Almost surely, 2^1142464253 is an apocalyptic number.

It is an amenable number.

1142464253 is a deficient number, since it is larger than the sum of its proper divisors (201462367).

1142464253 is an equidigital number, since it uses as much as digits as its factorization.

1142464253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262076 (or 262069 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 1142464253 is about 33800.3587702853. The cubic root of 1142464253 is about 1045.3960947428.

The spelling of 1142464253 in words is "one billion, one hundred forty-two million, four hundred sixty-four thousand, two hundred fifty-three".