145324453 has 2 divisors, whose sum is σ = 145324454. Its totient is φ = 145324452.

The previous prime is 145324447. The next prime is 145324471. The reversal of 145324453 is 354423541.

145324453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100942209 + 44382244 = 10047^2 + 6662^2 .

It is a cyclic number.

It is not a de Polignac number, because 145324453 - 2¹³ = 145316261 is a prime.

It is a super-2 number, since 2×145324453² = 42238393279498418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145324853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72662226 + 72662227.

It is an arithmetic number, because the mean of its divisors is an integer number (72662227).

Almost surely, 2^145324453 is an apocalyptic number.

It is an amenable number.

145324453 is a deficient number, since it is larger than the sum of its proper divisors (1).

145324453 is an equidigital number, since it uses as much as digits as its factorization.

145324453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 145324453 is about 12055.0592283904. The cubic root of 145324453 is about 525.7503441594.

Adding to 145324453 its reverse (354423541), we get a palindrome (499747994).

The spelling of 145324453 in words is "one hundred forty-five million, three hundred twenty-four thousand, four hundred fifty-three".