145020215352453 has 64 divisors (see below), whose sum is σ = 233168276275200. Its totient is φ = 78320102169600.

The previous prime is 145020215352421. The next prime is 145020215352457. The reversal of 145020215352453 is 354253512020541.

145020215352453 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 145020215352453 - 2⁵ = 145020215352421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145020215352457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3472768588 + ... + 3472810346.

It is an arithmetic number, because the mean of its divisors is an integer number (3643254316800).

Almost surely, 2^{145020215352453} is an apocalyptic number.

It is an amenable number.

145020215352453 is a deficient number, since it is larger than the sum of its proper divisors (88148060922747).

145020215352453 is a wasteful number, since it uses less digits than its factorization.

145020215352453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62322.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 145020215352453 its reverse (354253512020541), we get a palindrome (499273727372994).

The spelling of 145020215352453 in words is "one hundred forty-five trillion, twenty billion, two hundred fifteen million, three hundred fifty-two thousand, four hundred fifty-three".