315045224112046 has 4 divisors (see below), whose sum is σ = 472567836168072. Its totient is φ = 157522612056022.

The previous prime is 315045224112023. The next prime is 315045224112049. The reversal of 315045224112046 is 640211422540513.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×315045224112046² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315045224112049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78761306028010 + ... + 78761306028013.

It is an arithmetic number, because the mean of its divisors is an integer number (118141959042018).

Almost surely, 2^{315045224112046} is an apocalyptic number.

315045224112046 is a deficient number, since it is larger than the sum of its proper divisors (157522612056026).

315045224112046 is a wasteful number, since it uses less digits than its factorization.

315045224112046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157522612056025.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 315045224112046 its reverse (640211422540513), we get a palindrome (955256646652559).

The spelling of 315045224112046 in words is "three hundred fifteen trillion, forty-five billion, two hundred twenty-four million, one hundred twelve thousand, forty-six".