1445153310121 has 4 divisors (see below), whose sum is σ = 1445157054352. Its totient is φ = 1445149565892.

The previous prime is 1445153310119. The next prime is 1445153310137. The reversal of 1445153310121 is 1210133515441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1445153310121 - 2¹ = 1445153310119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445153410121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216671 + ... + 2090596.

It is an arithmetic number, because the mean of its divisors is an integer number (361289263588).

Almost surely, 2^{1445153310121} is an apocalyptic number.

It is an amenable number.

1445153310121 is a deficient number, since it is larger than the sum of its proper divisors (3744231).

1445153310121 is an equidigital number, since it uses as much as digits as its factorization.

1445153310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744230.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1445153310121 its reverse (1210133515441), we get a palindrome (2655286825562).

The spelling of 1445153310121 in words is "one trillion, four hundred forty-five billion, one hundred fifty-three million, three hundred ten thousand, one hundred twenty-one".