1455726449 has 8 divisors (see below), whose sum is σ = 1466660520. Its totient is φ = 1444832896.

The previous prime is 1455726407. The next prime is 1455726479. The reversal of 1455726449 is 9446275541.

It can be written as a sum of positive squares in 4 ways, for example, as 1677025 + 1454049424 = 1295^2 + 38132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455726449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455726479) 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 in 7 ways as a sum of consecutive naturals, for example, 64007 + ... + 83715.

It is an arithmetic number, because the mean of its divisors is an integer number (183332565).

Almost surely, 2^1455726449 is an apocalyptic number.

It is an amenable number.

1455726449 is a deficient number, since it is larger than the sum of its proper divisors (10934071).

1455726449 is a wasteful number, since it uses less digits than its factorization.

1455726449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20259.

The product of its digits is 1209600, while the sum is 47.

The square root of 1455726449 is about 38153.9833962327. The cubic root of 1455726449 is about 1133.3392360611.

The spelling of 1455726449 in words is "one billion, four hundred fifty-five million, seven hundred twenty-six thousand, four hundred forty-nine".