1155245153 has 2 divisors, whose sum is σ = 1155245154. Its totient is φ = 1155245152.

The previous prime is 1155245141. The next prime is 1155245167. The reversal of 1155245153 is 3515425511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1155184144 + 61009 = 33988^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155245153 - 2⁴ = 1155245137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155245123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577622576 + 577622577.

It is an arithmetic number, because the mean of its divisors is an integer number (577622577).

Almost surely, 2^1155245153 is an apocalyptic number.

It is an amenable number.

1155245153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155245153 is an equidigital number, since it uses as much as digits as its factorization.

1155245153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15000, while the sum is 32.

The square root of 1155245153 is about 33988.8974960942. The cubic root of 1155245153 is about 1049.2799759045.

The spelling of 1155245153 in words is "one billion, one hundred fifty-five million, two hundred forty-five thousand, one hundred fifty-three".