1345148429 has 2 divisors, whose sum is σ = 1345148430. Its totient is φ = 1345148428.

The previous prime is 1345148423. The next prime is 1345148449. The reversal of 1345148429 is 9248415431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 916575625 + 428572804 = 30275^2 + 20702^2 .

It is an emirp because it is prime and its reverse (9248415431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345148429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345148423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672574214 + 672574215.

It is an arithmetic number, because the mean of its divisors is an integer number (672574215).

Almost surely, 2^1345148429 is an apocalyptic number.

It is an amenable number.

1345148429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345148429 is an equidigital number, since it uses as much as digits as its factorization.

1345148429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The square root of 1345148429 is about 36676.2651997174. The cubic root of 1345148429 is about 1103.8839092927.

The spelling of 1345148429 in words is "one billion, three hundred forty-five million, one hundred forty-eight thousand, four hundred twenty-nine".