1445212025 has 12 divisors (see below), whose sum is σ = 1816614012. Its totient is φ = 1140330240.

The previous prime is 1445211979. The next prime is 1445212049. The reversal of 1445212025 is 5202125441.

It can be written as a sum of positive squares in 6 ways, for example, as 61669609 + 1383542416 = 7853^2 + 37196^2 .

It is not a de Polignac number, because 1445212025 - 2¹⁴ = 1445195641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1445211985 and 1445212003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394124 + ... + 397773.

It is an arithmetic number, because the mean of its divisors is an integer number (151384501).

Almost surely, 2^1445212025 is an apocalyptic number.

It is an amenable number.

1445212025 is a deficient number, since it is larger than the sum of its proper divisors (371401987).

1445212025 is an equidigital number, since it uses as much as digits as its factorization.

1445212025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791980 (or 791975 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1445212025 is about 38015.9443523372. The cubic root of 1445212025 is about 1130.6040118007.

Adding to 1445212025 its reverse (5202125441), we get a palindrome (6647337466).

The spelling of 1445212025 in words is "one billion, four hundred forty-five million, two hundred twelve thousand, twenty-five".