1445321341 has 4 divisors (see below), whose sum is σ = 1456701952. Its totient is φ = 1433940732.

The previous prime is 1445321333. The next prime is 1445321347. The reversal of 1445321341 is 1431235441.

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 1445321341 - 2³ = 1445321333 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 (1445321347) 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, 5690115 + ... + 5690368.

It is an arithmetic number, because the mean of its divisors is an integer number (364175488).

Almost surely, 2^1445321341 is an apocalyptic number.

It is an amenable number.

1445321341 is a deficient number, since it is larger than the sum of its proper divisors (11380611).

1445321341 is a wasteful number, since it uses less digits than its factorization.

1445321341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380610.

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

The square root of 1445321341 is about 38017.3820903018. The cubic root of 1445321341 is about 1130.6325174202.

Adding to 1445321341 its reverse (1431235441), we get a palindrome (2876556782).

The spelling of 1445321341 in words is "one billion, four hundred forty-five million, three hundred twenty-one thousand, three hundred forty-one".