3145028 has 24 divisors (see below), whose sum is σ = 5720064. Its totient is φ = 1512000.

The previous prime is 3145027. The next prime is 3145049. The reversal of 3145028 is 8205413.

It is a super-2 number, since 2×3145028² = 19782402241568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3144994 and 3145012.

It is not an unprimeable number, because it can be changed into a prime (3145027) 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, 20753 + ... + 20903.

It is an arithmetic number, because the mean of its divisors is an integer number (238336).

Almost surely, 2^3145028 is an apocalyptic number.

It is an amenable number.

3145028 is a deficient number, since it is larger than the sum of its proper divisors (2575036).

3145028 is a wasteful number, since it uses less digits than its factorization.

3145028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3145028 is about 1773.4226794535. The cubic root of 3145028 is about 146.5125539142.

The spelling of 3145028 in words is "three million, one hundred forty-five thousand, twenty-eight".