4520157231345 has 16 divisors (see below), whose sum is σ = 8265430366080. Its totient is φ = 2066357591424.

The previous prime is 4520157231313. The next prime is 4520157231349. The reversal of 4520157231345 is 5431327510254.

4520157231345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4520157231345 - 2⁵ = 4520157231313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4520157231297 and 4520157231306.

It is not an unprimeable number, because it can be changed into a prime (4520157231349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21524558140 + ... + 21524558349.

It is an arithmetic number, because the mean of its divisors is an integer number (516589397880).

Almost surely, 2^{4520157231345} is an apocalyptic number.

It is an amenable number.

4520157231345 is a deficient number, since it is larger than the sum of its proper divisors (3745273134735).

4520157231345 is a wasteful number, since it uses less digits than its factorization.

4520157231345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43049116504.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 4520157231345 in words is "four trillion, five hundred twenty billion, one hundred fifty-seven million, two hundred thirty-one thousand, three hundred forty-five".