145523502315 has 64 divisors (see below), whose sum is σ = 265148956800. Its totient is φ = 75682252800.

The previous prime is 145523502283. The next prime is 145523502317. The reversal of 145523502315 is 513205325541.

145523502315 is a `hidden beast` number, since 145 + 5 + 2 + 3 + 502 + 3 + 1 + 5 = 666.

145523502315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145523502315 - 2⁵ = 145523502283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145523502315.

It is not an unprimeable number, because it can be changed into a prime (145523502317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13948521 + ... + 13958949.

It is an arithmetic number, because the mean of its divisors is an integer number (4142952450).

Almost surely, 2^145523502315 is an apocalyptic number.

145523502315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145523502315 is a deficient number, since it is larger than the sum of its proper divisors (119625454485).

145523502315 is a wasteful number, since it uses less digits than its factorization.

145523502315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13005 (or 12999 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 145523502315 its reverse (513205325541), we get a palindrome (658728827856).

The spelling of 145523502315 in words is "one hundred forty-five billion, five hundred twenty-three million, five hundred two thousand, three hundred fifteen".