315445453541 has 8 divisors (see below), whose sum is σ = 317211644568. Its totient is φ = 313679520000.

The previous prime is 315445453493. The next prime is 315445453639. The reversal of 315445453541 is 145354544513.

It can be written as a sum of positive squares in 4 ways, for example, as 106005592225 + 209439861316 = 325585^2 + 457646^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315445453541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315445453492 and 315445453501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315445453241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731001 + ... + 2844161.

It is an arithmetic number, because the mean of its divisors is an integer number (39651455571).

Almost surely, 2^315445453541 is an apocalyptic number.

It is an amenable number.

315445453541 is a deficient number, since it is larger than the sum of its proper divisors (1766191027).

315445453541 is a wasteful number, since it uses less digits than its factorization.

315445453541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128743.

The product of its digits is 1440000, while the sum is 44.

The spelling of 315445453541 in words is "three hundred fifteen billion, four hundred forty-five million, four hundred fifty-three thousand, five hundred forty-one".