1456742249 has 2 divisors, whose sum is σ = 1456742250. Its totient is φ = 1456742248.

The previous prime is 1456742233. The next prime is 1456742263. The reversal of 1456742249 is 9422476541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089330025 + 367412224 = 33005^2 + 19168^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456742249 - 2⁴ = 1456742233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1456742269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728371124 + 728371125.

It is an arithmetic number, because the mean of its divisors is an integer number (728371125).

Almost surely, 2^1456742249 is an apocalyptic number.

It is an amenable number.

1456742249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456742249 is an equidigital number, since it uses as much as digits as its factorization.

1456742249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 1456742249 is about 38167.2929220819. The cubic root of 1456742249 is about 1133.6027879398.

The spelling of 1456742249 in words is "one billion, four hundred fifty-six million, seven hundred forty-two thousand, two hundred forty-nine".