1445272273445 has 128 divisors (see below), whose sum is σ = 2483341701120. Its totient is φ = 777087406080.

The previous prime is 1445272273439. The next prime is 1445272273451. The reversal of 1445272273445 is 5443722725441.

It is an interprime number because it is at equal distance from previous prime (1445272273439) and next prime (1445272273451).

It is not a de Polignac number, because 1445272273445 - 2²² = 1445268079141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445272273393 and 1445272273402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11765714 + ... + 11887916.

It is an arithmetic number, because the mean of its divisors is an integer number (19401107040).

Almost surely, 2^{1445272273445} is an apocalyptic number.

It is an amenable number.

1445272273445 is a deficient number, since it is larger than the sum of its proper divisors (1038069427675).

1445272273445 is a wasteful number, since it uses less digits than its factorization.

1445272273445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122395.

The product of its digits is 7526400, while the sum is 50.

Adding to 1445272273445 its reverse (5443722725441), we get a palindrome (6888994998886).

The spelling of 1445272273445 in words is "one trillion, four hundred forty-five billion, two hundred seventy-two million, two hundred seventy-three thousand, four hundred forty-five".