3215260145 has 8 divisors (see below), whose sum is σ = 3867103680. Its totient is φ = 2566347120.

The previous prime is 3215260129. The next prime is 3215260157. The reversal of 3215260145 is 5410625123.

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

It is not a de Polignac number, because 3215260145 - 2⁴ = 3215260129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730211 + ... + 734600.

It is an arithmetic number, because the mean of its divisors is an integer number (483387960).

Almost surely, 2^3215260145 is an apocalyptic number.

It is an amenable number.

3215260145 is a deficient number, since it is larger than the sum of its proper divisors (651843535).

3215260145 is a wasteful number, since it uses less digits than its factorization.

3215260145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465255.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3215260145 is about 56703.2639713094. The cubic root of 3215260145 is about 1475.9513380169.

Adding to 3215260145 its reverse (5410625123), we get a palindrome (8625885268).

The spelling of 3215260145 in words is "three billion, two hundred fifteen million, two hundred sixty thousand, one hundred forty-five".