1330423545 has 16 divisors (see below), whose sum is σ = 2322194112. Its totient is φ = 645053760.

The previous prime is 1330423537. The next prime is 1330423561. The reversal of 1330423545 is 5453240331.

It is not a de Polignac number, because 1330423545 - 2³ = 1330423537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031422 + ... + 4031751.

It is an arithmetic number, because the mean of its divisors is an integer number (145137132).

Almost surely, 2^1330423545 is an apocalyptic number.

1330423545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330423545 is a deficient number, since it is larger than the sum of its proper divisors (991770567).

1330423545 is a wasteful number, since it uses less digits than its factorization.

1330423545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063192.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1330423545 is about 36474.9714873089. The cubic root of 1330423545 is about 1099.8411740384.

Adding to 1330423545 its reverse (5453240331), we get a palindrome (6783663876).

The spelling of 1330423545 in words is "one billion, three hundred thirty million, four hundred twenty-three thousand, five hundred forty-five".