3145530 has 16 divisors (see below), whose sum is σ = 7549344. Its totient is φ = 838800.

The previous prime is 3145529. The next prime is 3145547. The reversal of 3145530 is 355413.

It is a junction number, because it is equal to n+sod(n) for n = 3145497 and 3145506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52396 + ... + 52455.

It is an arithmetic number, because the mean of its divisors is an integer number (471834).

Almost surely, 2^3145530 is an apocalyptic number.

3145530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3145530 is an abundant number, since it is smaller than the sum of its proper divisors (4403814).

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

3145530 is a wasteful number, since it uses less digits than its factorization.

3145530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104861.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3145530 is about 1773.5642080286. The cubic root of 3145530 is about 146.5203487986.

The spelling of 3145530 in words is "three million, one hundred forty-five thousand, five hundred thirty".