3143725445 has 32 divisors (see below), whose sum is σ = 4504508928. Its totient is φ = 2059377408.

The previous prime is 3143725423. The next prime is 3143725489. The reversal of 3143725445 is 5445273413.

3143725445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3143725445 - 2¹⁴ = 3143709061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3143725399 and 3143725408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800627 + ... + 804543.

It is an arithmetic number, because the mean of its divisors is an integer number (140765904).

Almost surely, 2^3143725445 is an apocalyptic number.

3143725445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3143725445 is a deficient number, since it is larger than the sum of its proper divisors (1360783483).

3143725445 is a wasteful number, since it uses less digits than its factorization.

3143725445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949.

The product of its digits is 201600, while the sum is 38.

The square root of 3143725445 is about 56068.9347589198. The cubic root of 3143725445 is about 1464.9232441624.

Adding to 3143725445 its reverse (5445273413), we get a palindrome (8588998858).

The spelling of 3143725445 in words is "three billion, one hundred forty-three million, seven hundred twenty-five thousand, four hundred forty-five".