1146373229 has 2 divisors, whose sum is σ = 1146373230. Its totient is φ = 1146373228.

The previous prime is 1146373177. The next prime is 1146373231. The reversal of 1146373229 is 9223736411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864066025 + 282307204 = 29395^2 + 16802^2 .

It is an emirp because it is prime and its reverse (9223736411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146373229 is a prime.

Together with 1146373231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1146373192 and 1146373201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146373279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573186614 + 573186615.

It is an arithmetic number, because the mean of its divisors is an integer number (573186615).

Almost surely, 2^1146373229 is an apocalyptic number.

It is an amenable number.

1146373229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146373229 is an equidigital number, since it uses as much as digits as its factorization.

1146373229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 1146373229 is about 33858.1338676543. The cubic root of 1146373229 is about 1046.5870222956.

The spelling of 1146373229 in words is "one billion, one hundred forty-six million, three hundred seventy-three thousand, two hundred twenty-nine".