1158142441 has 2 divisors, whose sum is σ = 1158142442. Its totient is φ = 1158142440.

The previous prime is 1158142417. The next prime is 1158142471. The reversal of 1158142441 is 1442418511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1051640041 + 106502400 = 32429^2 + 10320^2 .

It is an emirp because it is prime and its reverse (1442418511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1158142441 - 2⁷ = 1158142313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1158142411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579071220 + 579071221.

It is an arithmetic number, because the mean of its divisors is an integer number (579071221).

Almost surely, 2^1158142441 is an apocalyptic number.

It is an amenable number.

1158142441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158142441 is an equidigital number, since it uses as much as digits as its factorization.

1158142441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 31.

The square root of 1158142441 is about 34031.4919008850. The cubic root of 1158142441 is about 1050.1564214431.

The spelling of 1158142441 in words is "one billion, one hundred fifty-eight million, one hundred forty-two thousand, four hundred forty-one".