1445463213 has 4 divisors (see below), whose sum is σ = 1927284288. Its totient is φ = 963642140.

The previous prime is 1445463203. The next prime is 1445463263. The reversal of 1445463213 is 3123645441.

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 1445463213 - 2⁴ = 1445463197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445463203) 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, 240910533 + ... + 240910538.

It is an arithmetic number, because the mean of its divisors is an integer number (481821072).

Almost surely, 2^1445463213 is an apocalyptic number.

It is an amenable number.

1445463213 is a deficient number, since it is larger than the sum of its proper divisors (481821075).

1445463213 is an equidigital number, since it uses as much as digits as its factorization.

1445463213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481821074.

The product of its digits is 34560, while the sum is 33.

The square root of 1445463213 is about 38019.2479278589. The cubic root of 1445463213 is about 1130.6695103121.

The spelling of 1445463213 in words is "one billion, four hundred forty-five million, four hundred sixty-three thousand, two hundred thirteen".