3145550 has 24 divisors (see below), whose sum is σ = 5966136. Its totient is φ = 1233440.

The previous prime is 3145547. The next prime is 3145553. The reversal of 3145550 is 555413.

It is an interprime number because it is at equal distance from previous prime (3145547) and next prime (3145553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145553) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2057 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (248589).

Almost surely, 2^3145550 is an apocalyptic number.

3145550 is a deficient number, since it is larger than the sum of its proper divisors (2820586).

3145550 is a wasteful number, since it uses less digits than its factorization.

3145550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 3145550 is about 1773.5698463833. The cubic root of 3145550 is about 146.5206593346.

The spelling of 3145550 in words is "three million, one hundred forty-five thousand, five hundred fifty".