3321145345 has 64 divisors (see below), whose sum is σ = 4864914432. Its totient is φ = 2128896000.

The previous prime is 3321145309. The next prime is 3321145361. The reversal of 3321145345 is 5435411233.

It is not a de Polignac number, because 3321145345 - 2⁹ = 3321144833 is a prime.

It is a super-2 number, since 2×3321145345² = 22060012805230338050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3769305 + ... + 3770185.

It is an arithmetic number, because the mean of its divisors is an integer number (76014288).

Almost surely, 2^3321145345 is an apocalyptic number.

3321145345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3321145345 is a deficient number, since it is larger than the sum of its proper divisors (1543769087).

3321145345 is a wasteful number, since it uses less digits than its factorization.

3321145345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

The product of its digits is 21600, while the sum is 31.

The square root of 3321145345 is about 57629.3791828439. The cubic root of 3321145345 is about 1491.9787150433.

Adding to 3321145345 its reverse (5435411233), we get a palindrome (8756556578).

The spelling of 3321145345 in words is "three billion, three hundred twenty-one million, one hundred forty-five thousand, three hundred forty-five".