315453213620545 has 128 divisors (see below), whose sum is σ = 526780246164480. Its totient is φ = 174993278791680.

The previous prime is 315453213620543. The next prime is 315453213620557. The reversal of 315453213620545 is 545026312354513.

It is not a de Polignac number, because 315453213620545 - 2¹ = 315453213620543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315453213620543) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12371179 + ... + 27999151.

It is an arithmetic number, because the mean of its divisors is an integer number (4115470673160).

Almost surely, 2^{315453213620545} is an apocalyptic number.

315453213620545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315453213620545 is a deficient number, since it is larger than the sum of its proper divisors (211327032543935).

315453213620545 is a wasteful number, since it uses less digits than its factorization.

315453213620545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15628155.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 315453213620545 in words is "three hundred fifteen trillion, four hundred fifty-three billion, two hundred thirteen million, six hundred twenty thousand, five hundred forty-five".