3145013280 has 144 divisors (see below), whose sum is σ = 10799006400. Its totient is φ = 833462784.

The previous prime is 3145013239. The next prime is 3145013293. The reversal of 3145013280 is 823105413.

It is a happy number.

3145013280 is a `hidden beast` number, since 3 + 1 + 450 + 132 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×3145013280² = 19782217062752716800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228021 + ... + 241419.

It is an arithmetic number, because the mean of its divisors is an integer number (74993100).

Almost surely, 2^3145013280 is an apocalyptic number.

3145013280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145013280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5399503200).

3145013280 is an abundant number, since it is smaller than the sum of its proper divisors (7653993120).

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

3145013280 is a wasteful number, since it uses less digits than its factorization.

3145013280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13583 (or 13572 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3145013280 is about 56080.4179727648. The cubic root of 3145013280 is about 1465.1232533451.

Adding to 3145013280 its reverse (823105413), we get a palindrome (3968118693).

The spelling of 3145013280 in words is "three billion, one hundred forty-five million, thirteen thousand, two hundred eighty".