145423514453 has 16 divisors (see below), whose sum is σ = 166442779776. Its totient is φ = 124465515840.

The previous prime is 145423514437. The next prime is 145423514519. The reversal of 145423514453 is 354415324541.

It is a cyclic number.

It is not a de Polignac number, because 145423514453 - 2⁴ = 145423514437 is a prime.

It is a super-2 number, since 2×145423514453² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145423514453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145423514153) 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, 15797150 + ... + 15806352.

It is an arithmetic number, because the mean of its divisors is an integer number (10402673736).

Almost surely, 2^145423514453 is an apocalyptic number.

It is an amenable number.

145423514453 is a deficient number, since it is larger than the sum of its proper divisors (21019265323).

145423514453 is a wasteful number, since it uses less digits than its factorization.

145423514453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284.

The product of its digits is 576000, while the sum is 41.

Adding to 145423514453 its reverse (354415324541), we get a palindrome (499838838994).

The spelling of 145423514453 in words is "one hundred forty-five billion, four hundred twenty-three million, five hundred fourteen thousand, four hundred fifty-three".