3145440445 has 8 divisors (see below), whose sum is σ = 4313746944. Its totient is φ = 2156873424.

The previous prime is 3145440439. The next prime is 3145440469. The reversal of 3145440445 is 5440445413.

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

It is a cyclic number.

It is not a de Polignac number, because 3145440445 - 2⁵ = 3145440413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145440445.

It is a congruent 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, 44934829 + ... + 44934898.

It is an arithmetic number, because the mean of its divisors is an integer number (539218368).

Almost surely, 2^3145440445 is an apocalyptic number.

3145440445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3145440445 is a deficient number, since it is larger than the sum of its proper divisors (1168306499).

3145440445 is an equidigital number, since it uses as much as digits as its factorization.

3145440445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89869739.

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 3145440445 is about 56084.2263475213. The cubic root of 3145440445 is about 1465.1895827992.

Adding to 3145440445 its reverse (5440445413), we get a palindrome (8585885858).

The spelling of 3145440445 in words is "three billion, one hundred forty-five million, four hundred forty thousand, four hundred forty-five".