3145506145 has 16 divisors (see below), whose sum is σ = 3974662080. Its totient is φ = 2383128000.

The previous prime is 3145506139. The next prime is 3145506149. The reversal of 3145506145 is 5416055413.

It is not a de Polignac number, because 3145506145 - 2¹⁹ = 3144981857 is a prime.

It is a super-2 number, since 2×3145506145² = 19788417816465522050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3145506145.

It is not an unprimeable number, because it can be changed into a prime (3145506149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481350 + ... + 487840.

It is an arithmetic number, because the mean of its divisors is an integer number (248416380).

Almost surely, 2^3145506145 is an apocalyptic number.

It is an amenable number.

3145506145 is a deficient number, since it is larger than the sum of its proper divisors (829155935).

3145506145 is a wasteful number, since it uses less digits than its factorization.

3145506145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11616.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 3145506145 is about 56084.8120706489. The cubic root of 3145506145 is about 1465.1997840505.

The spelling of 3145506145 in words is "three billion, one hundred forty-five million, five hundred six thousand, one hundred forty-five".