1456744249 has 2 divisors, whose sum is σ = 1456744250. Its totient is φ = 1456744248.

The previous prime is 1456744241. The next prime is 1456744259. The reversal of 1456744249 is 9424476541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1240448400 + 216295849 = 35220^2 + 14707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456744249 - 2³ = 1456744241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1456744199 and 1456744208.

It is not a weakly prime, because it can be changed into another prime (1456744241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728372124 + 728372125.

It is an arithmetic number, because the mean of its divisors is an integer number (728372125).

Almost surely, 2^1456744249 is an apocalyptic number.

It is an amenable number.

1456744249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456744249 is an equidigital number, since it uses as much as digits as its factorization.

1456744249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

The square root of 1456744249 is about 38167.3191225163. The cubic root of 1456744249 is about 1133.6033067240.

The spelling of 1456744249 in words is "one billion, four hundred fifty-six million, seven hundred forty-four thousand, two hundred forty-nine".