3145345 has 8 divisors (see below), whose sum is σ = 4313664. Its totient is φ = 2156784.

The previous prime is 3145339. The next prime is 3145361. The reversal of 3145345 is 5435413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3145345 - 2¹⁷ = 3014273 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44899 + ... + 44968.

It is an arithmetic number, because the mean of its divisors is an integer number (539208).

Almost surely, 2^3145345 is an apocalyptic number.

3145345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3145345 is a deficient number, since it is larger than the sum of its proper divisors (1168319).

3145345 is an equidigital number, since it uses as much as digits as its factorization.

3145345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89879.

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

The square root of 3145345 is about 1773.5120523977. The cubic root of 3145345 is about 146.5174762783.

The spelling of 3145345 in words is "three million, one hundred forty-five thousand, three hundred forty-five".