1445748529 has 9 divisors (see below), whose sum is σ = 1478991787. Its totient is φ = 1413238864.

The previous prime is 1445748511. The next prime is 1445748539. The reversal of 1445748529 is 9258475441.

The square root of 1445748529 is 38023.

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., 1272562929 + 173185600 = 35673^2 + 13160^2 .

It is not a de Polignac number, because 1445748529 - 2⁵ = 1445748497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445748539) 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, 1786677 + ... + 1787485.

Almost surely, 2^1445748529 is an apocalyptic number.

1445748529 is the 38023-rd square number.

1445748529 is the 19012-nd centered octagonal number.

It is an amenable number.

1445748529 is a deficient number, since it is larger than the sum of its proper divisors (33243258).

1445748529 is an frugal number, since it uses more digits than its factorization.

1445748529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 856 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The cubic root of 1445748529 is about 1130.7438986641.

Multiplying 1445748529 by its sum of digits (49), we get a square (70841677921 = 266161²).

The spelling of 1445748529 in words is "one billion, four hundred forty-five million, seven hundred forty-eight thousand, five hundred twenty-nine".