145464215215 has 16 divisors (see below), whose sum is σ = 190471214880. Its totient is φ = 105766971520.

The previous prime is 145464215203. The next prime is 145464215219. The reversal of 145464215215 is 512512464541.

It is not a de Polignac number, because 145464215215 - 2¹³ = 145464207023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145464215219) 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, 80104 + ... + 545293.

It is an arithmetic number, because the mean of its divisors is an integer number (11904450930).

Almost surely, 2^145464215215 is an apocalyptic number.

145464215215 is a deficient number, since it is larger than the sum of its proper divisors (45006999665).

145464215215 is a wasteful number, since it uses less digits than its factorization.

145464215215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629642.

The product of its digits is 192000, while the sum is 40.

Adding to 145464215215 its reverse (512512464541), we get a palindrome (657976679756).

The spelling of 145464215215 in words is "one hundred forty-five billion, four hundred sixty-four million, two hundred fifteen thousand, two hundred fifteen".