1445213383 has 8 divisors (see below), whose sum is σ = 1468549760. Its totient is φ = 1421929080.

The previous prime is 1445213311. The next prime is 1445213389. The reversal of 1445213383 is 3833125441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445213383 - 2²¹ = 1443116231 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 (1445213389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44998 + ... + 70108.

It is an arithmetic number, because the mean of its divisors is an integer number (183568720).

Almost surely, 2^1445213383 is an apocalyptic number.

1445213383 is a deficient number, since it is larger than the sum of its proper divisors (23336377).

1445213383 is an equidigital number, since it uses as much as digits as its factorization.

1445213383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26037.

The product of its digits is 34560, while the sum is 34.

The square root of 1445213383 is about 38015.9622132598. The cubic root of 1445213383 is about 1130.6043659263.

The spelling of 1445213383 in words is "one billion, four hundred forty-five million, two hundred thirteen thousand, three hundred eighty-three".