1142431153 has 2 divisors, whose sum is σ = 1142431154. Its totient is φ = 1142431152.

The previous prime is 1142431141. The next prime is 1142431187. The reversal of 1142431153 is 3511342411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618616384 + 523814769 = 24872^2 + 22887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142431153 - 2¹³ = 1142422961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142431193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571215576 + 571215577.

It is an arithmetic number, because the mean of its divisors is an integer number (571215577).

Almost surely, 2^1142431153 is an apocalyptic number.

It is an amenable number.

1142431153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142431153 is an equidigital number, since it uses as much as digits as its factorization.

1142431153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 1142431153 is about 33799.8691269656. The cubic root of 1142431153 is about 1045.3859987464.

Adding to 1142431153 its reverse (3511342411), we get a palindrome (4653773564).

The spelling of 1142431153 in words is "one billion, one hundred forty-two million, four hundred thirty-one thousand, one hundred fifty-three".