1445123341 has 4 divisors (see below), whose sum is σ = 1445550912. Its totient is φ = 1444695772.

The previous prime is 1445123291. The next prime is 1445123347. The reversal of 1445123341 is 1433215441.

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 1445123341 - 2⁹ = 1445122829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445123347) 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, 208675 + ... + 215488.

It is an arithmetic number, because the mean of its divisors is an integer number (361387728).

Almost surely, 2^1445123341 is an apocalyptic number.

It is an amenable number.

1445123341 is a deficient number, since it is larger than the sum of its proper divisors (427571).

1445123341 is an equidigital number, since it uses as much as digits as its factorization.

1445123341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427570.

The product of its digits is 5760, while the sum is 28.

The square root of 1445123341 is about 38014.7779291159. Note that the first 3 decimals coincide. The cubic root of 1445123341 is about 1130.5808851971.

Adding to 1445123341 its reverse (1433215441), we get a palindrome (2878338782).

The spelling of 1445123341 in words is "one billion, four hundred forty-five million, one hundred twenty-three thousand, three hundred forty-one".