1142553131 has 4 divisors (see below), whose sum is σ = 1142882064. Its totient is φ = 1142224200.

The previous prime is 1142553103. The next prime is 1142553133. The reversal of 1142553131 is 1313552411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142553131 - 2¹⁸ = 1142290987 is a prime.

It is a super-2 number, since 2×1142553131² = 2610855314315806322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142553131.

It is not an unprimeable number, because it can be changed into a prime (1142553133) 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, 159200 + ... + 166221.

It is an arithmetic number, because the mean of its divisors is an integer number (285720516).

Almost surely, 2^1142553131 is an apocalyptic number.

1142553131 is a deficient number, since it is larger than the sum of its proper divisors (328933).

1142553131 is an equidigital number, since it uses as much as digits as its factorization.

1142553131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328932.

The product of its digits is 1800, while the sum is 26.

The square root of 1142553131 is about 33801.6734940742. The cubic root of 1142553131 is about 1045.4232029009.

The spelling of 1142553131 in words is "one billion, one hundred forty-two million, five hundred fifty-three thousand, one hundred thirty-one".