1153145941 has 2 divisors, whose sum is σ = 1153145942. Its totient is φ = 1153145940.

The previous prime is 1153145933. The next prime is 1153145947. The reversal of 1153145941 is 1495413511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 949256100 + 203889841 = 30810^2 + 14279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153145941 - 2³ = 1153145933 is a prime.

It is a super-2 number, since 2×1153145941² = 2659491122489550962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1153145897 and 1153145906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153145947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576572970 + 576572971.

It is an arithmetic number, because the mean of its divisors is an integer number (576572971).

Almost surely, 2^1153145941 is an apocalyptic number.

It is an amenable number.

1153145941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153145941 is an equidigital number, since it uses as much as digits as its factorization.

1153145941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 34.

The square root of 1153145941 is about 33958.0026061605. The cubic root of 1153145941 is about 1048.6440368222.

The spelling of 1153145941 in words is "one billion, one hundred fifty-three million, one hundred forty-five thousand, nine hundred forty-one".