3145193469 has 72 divisors (see below), whose sum is σ = 5271975072. Its totient is φ = 1857660480.

The previous prime is 3145193459. The next prime is 3145193479. The reversal of 3145193469 is 9643915413.

It is an interprime number because it is at equal distance from previous prime (3145193459) and next prime (3145193479).

It is not a de Polignac number, because 3145193469 - 2²¹ = 3143096317 is a prime.

It is a super-3 number, since 3×3145193469³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Its product of digits (349920) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145193459) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 21108607 + ... + 21108755.

It is an arithmetic number, because the mean of its divisors is an integer number (73221876).

Almost surely, 2^3145193469 is an apocalyptic number.

It is an amenable number.

3145193469 is a deficient number, since it is larger than the sum of its proper divisors (2126781603).

3145193469 is an equidigital number, since it uses as much as digits as its factorization.

3145193469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 216 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 3145193469 is about 56082.0244730876. The cubic root of 3145193469 is about 1465.1512335187.

The spelling of 3145193469 in words is "three billion, one hundred forty-five million, one hundred ninety-three thousand, four hundred sixty-nine".