1148906173 has 2 divisors, whose sum is σ = 1148906174. Its totient is φ = 1148906172.

The previous prime is 1148906149. The next prime is 1148906177. The reversal of 1148906173 is 3716098411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976062564 + 172843609 = 31242^2 + 13147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148906173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148906177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574453086 + 574453087.

It is an arithmetic number, because the mean of its divisors is an integer number (574453087).

Almost surely, 2^1148906173 is an apocalyptic number.

It is an amenable number.

1148906173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148906173 is an equidigital number, since it uses as much as digits as its factorization.

1148906173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1148906173 is about 33895.5184795866. The cubic root of 1148906173 is about 1047.3572764612.

The spelling of 1148906173 in words is "one billion, one hundred forty-eight million, nine hundred six thousand, one hundred seventy-three".