3145105473 has 8 divisors (see below), whose sum is σ = 4414183200. Its totient is φ = 1986382368.

The previous prime is 3145105433. The next prime is 3145105493. The reversal of 3145105473 is 3745015413.

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

It is not a de Polignac number, because 3145105473 - 2⁹ = 3145104961 is a prime.

It is a super-3 number, since 3×3145105473³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3145105423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27588588 + ... + 27588701.

It is an arithmetic number, because the mean of its divisors is an integer number (551772900).

Almost surely, 2^3145105473 is an apocalyptic number.

It is an amenable number.

3145105473 is a deficient number, since it is larger than the sum of its proper divisors (1269077727).

3145105473 is a wasteful number, since it uses less digits than its factorization.

3145105473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55177311.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 3145105473 is about 56081.2399381469. The cubic root of 3145105473 is about 1465.1375694255.

The spelling of 3145105473 in words is "three billion, one hundred forty-five million, one hundred five thousand, four hundred seventy-three".