3145657019 has 8 divisors (see below), whose sum is σ = 3201066000. Its totient is φ = 3090724000.

The previous prime is 3145656989. The next prime is 3145657061. The reversal of 3145657019 is 9107565413.

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 3145657019 - 2²⁰ = 3144608443 is a prime.

It is a super-2 number, since 2×3145657019² = 19790316162367932722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145657069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105644 + ... + 132105.

It is an arithmetic number, because the mean of its divisors is an integer number (400133250).

Almost surely, 2^3145657019 is an apocalyptic number.

3145657019 is a deficient number, since it is larger than the sum of its proper divisors (55408981).

3145657019 is a wasteful number, since it uses less digits than its factorization.

3145657019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237981.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 3145657019 is about 56086.1571067229. The cubic root of 3145657019 is about 1465.2232097471.

The spelling of 3145657019 in words is "three billion, one hundred forty-five million, six hundred fifty-seven thousand, nineteen".