1452143449 has 9 divisors (see below), whose sum is σ = 1482120703. Its totient is φ = 1422762952.

The previous prime is 1452143437. The next prime is 1452143501. The reversal of 1452143449 is 9443412541.

The square root of 1452143449 is 38107.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1046846025 + 405297424 = 32355^2 + 20132^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1452143449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452143149) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2019312 + ... + 2020030.

Almost surely, 2^1452143449 is an apocalyptic number.

1452143449 is the 38107-th square number.

1452143449 is the 19054-th centered octagonal number.

It is an amenable number.

1452143449 is a deficient number, since it is larger than the sum of its proper divisors (29977254).

1452143449 is an frugal number, since it uses more digits than its factorization.

1452143449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 772 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The cubic root of 1452143449 is about 1132.4086375397.

It can be divided in two parts, 14521 and 43449, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 1452143449 in words is "one billion, four hundred fifty-two million, one hundred forty-three thousand, four hundred forty-nine".