315145423454 has 8 divisors (see below), whose sum is σ = 472728196920. Its totient is φ = 157569357816.

The previous prime is 315145423451. The next prime is 315145423469. The reversal of 315145423454 is 454324541513.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315145423451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557809 + ... + 1748444.

It is an arithmetic number, because the mean of its divisors is an integer number (59091024615).

Almost surely, 2^315145423454 is an apocalyptic number.

315145423454 is a deficient number, since it is larger than the sum of its proper divisors (157582773466).

315145423454 is a wasteful number, since it uses less digits than its factorization.

315145423454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353914.

The product of its digits is 576000, while the sum is 41.

Adding to 315145423454 its reverse (454324541513), we get a palindrome (769469964967).

The spelling of 315145423454 in words is "three hundred fifteen billion, one hundred forty-five million, four hundred twenty-three thousand, four hundred fifty-four".