315143544045 has 16 divisors (see below), whose sum is σ = 550068731712. Its totient is φ = 152796869760.

The previous prime is 315143544043. The next prime is 315143544091. The reversal of 315143544045 is 540445341513.

It is not a de Polignac number, because 315143544045 - 2¹ = 315143544043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315143543994 and 315143544012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315143544043) 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 15 ways as a sum of consecutive naturals, for example, 954980272 + ... + 954980601.

It is an arithmetic number, because the mean of its divisors is an integer number (34379295732).

Almost surely, 2^315143544045 is an apocalyptic number.

It is an amenable number.

315143544045 is a deficient number, since it is larger than the sum of its proper divisors (234925187667).

315143544045 is a wasteful number, since it uses less digits than its factorization.

315143544045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909960892.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 315143544045 its reverse (540445341513), we get a palindrome (855588885558).

The spelling of 315143544045 in words is "three hundred fifteen billion, one hundred forty-three million, five hundred forty-four thousand, forty-five".