3145350220 has 24 divisors (see below), whose sum is σ = 6638436000. Its totient is φ = 1251816192.

The previous prime is 3145350191. The next prime is 3145350223. The reversal of 3145350220 is 220535413.

It is not an unprimeable number, because it can be changed into a prime (3145350223) 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, 391165 + ... + 399124.

It is an arithmetic number, because the mean of its divisors is an integer number (276601500).

Almost surely, 2^3145350220 is an apocalyptic number.

It is an amenable number.

3145350220 is an abundant number, since it is smaller than the sum of its proper divisors (3493085780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3145350220 is a wasteful number, since it uses less digits than its factorization.

3145350220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790497 (or 790495 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3145350220 is about 56083.4219712029. The cubic root of 3145350220 is about 1465.1755733151.

Adding to 3145350220 its reverse (220535413), we get a palindrome (3365885633).

The spelling of 3145350220 in words is "three billion, one hundred forty-five million, three hundred fifty thousand, two hundred twenty".