1445524013 has 4 divisors (see below), whose sum is σ = 1470024480. Its totient is φ = 1421023548.

The previous prime is 1445523979. The next prime is 1445524039. The reversal of 1445524013 is 3104255441.

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 1445524013 - 2⁶ = 1445523949 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 (1445524043) 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, 12250145 + ... + 12250262.

It is an arithmetic number, because the mean of its divisors is an integer number (367506120).

Almost surely, 2^1445524013 is an apocalyptic number.

It is an amenable number.

1445524013 is a deficient number, since it is larger than the sum of its proper divisors (24500467).

1445524013 is an equidigital number, since it uses as much as digits as its factorization.

1445524013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24500466.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1445524013 is about 38020.0475144364. The cubic root of 1445524013 is about 1130.6853630717.

Adding to 1445524013 its reverse (3104255441), we get a palindrome (4549779454).

The spelling of 1445524013 in words is "one billion, four hundred forty-five million, five hundred twenty-four thousand, thirteen".