1443734418025 has 27 divisors (see below), whose sum is σ = 1829488929861. Its totient is φ = 1130192245440.

The previous prime is 1443734418023. The next prime is 1443734418053. The reversal of 1443734418025 is 5208144373441.

It is a happy number.

The square root of 1443734418025 is 1201555.

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

It can be written as a sum of positive squares in 4 ways, for example, as 783825144921 + 659909273104 = 885339^2 + 812348^2 .

It is not a de Polignac number, because 1443734418025 - 2¹ = 1443734418023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443734418023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 282362869 + ... + 282367981.

Almost surely, 2^{1443734418025} is an apocalyptic number.

1443734418025 is the 1201555-th square number.

1443734418025 is the 600778-th centered octagonal number.

It is an amenable number.

1443734418025 is a deficient number, since it is larger than the sum of its proper divisors (385754511836).

1443734418025 is an frugal number, since it uses more digits than its factorization.

1443734418025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330 (or 5165 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 1443734418025 in words is "one trillion, four hundred forty-three billion, seven hundred thirty-four million, four hundred eighteen thousand, twenty-five".