145204015453 has 16 divisors (see below), whose sum is σ = 166345159680. Its totient is φ = 124162465536.

The previous prime is 145204015447. The next prime is 145204015477. The reversal of 145204015453 is 354510402541.

It is a cyclic number.

It is not a de Polignac number, because 145204015453 - 2²⁵ = 145170461021 is a prime.

It is a super-2 number, since 2×145204015453² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145204015483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18628725 + ... + 18636517.

It is an arithmetic number, because the mean of its divisors is an integer number (10396572480).

Almost surely, 2^145204015453 is an apocalyptic number.

It is an amenable number.

145204015453 is a deficient number, since it is larger than the sum of its proper divisors (21141144227).

145204015453 is an equidigital number, since it uses as much as digits as its factorization.

145204015453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13836.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 145204015453 its reverse (354510402541), we get a palindrome (499714417994).

The spelling of 145204015453 in words is "one hundred forty-five billion, two hundred four million, fifteen thousand, four hundred fifty-three".