1142005153 has 4 divisors (see below), whose sum is σ = 1153778500. Its totient is φ = 1130231808.

The previous prime is 1142005133. The next prime is 1142005157. The reversal of 1142005153 is 3515002411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 575184289 + 566820864 = 23983^2 + 23808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142005153 - 2²¹ = 1139908001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142005157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5886528 + ... + 5886721.

It is an arithmetic number, because the mean of its divisors is an integer number (288444625).

Almost surely, 2^1142005153 is an apocalyptic number.

It is an amenable number.

1142005153 is a deficient number, since it is larger than the sum of its proper divisors (11773347).

1142005153 is an equidigital number, since it uses as much as digits as its factorization.

1142005153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11773346.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1142005153 is about 33793.5667398397. The cubic root of 1142005153 is about 1045.2560449488.

Adding to 1142005153 its reverse (3515002411), we get a palindrome (4657007564).

The spelling of 1142005153 in words is "one billion, one hundred forty-two million, five thousand, one hundred fifty-three".