145930453 has 2 divisors, whose sum is σ = 145930454. Its totient is φ = 145930452.

The previous prime is 145930409. The next prime is 145930487. The reversal of 145930453 is 354039541.

145930453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (145930487) can be obtained adding 145930453 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140351409 + 5579044 = 11847^2 + 2362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145930453 is a prime.

It is a super-2 number, since 2×145930453² = 42591394225570418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145930403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72965226 + 72965227.

It is an arithmetic number, because the mean of its divisors is an integer number (72965227).

Almost surely, 2^145930453 is an apocalyptic number.

It is an amenable number.

145930453 is a deficient number, since it is larger than the sum of its proper divisors (1).

145930453 is an equidigital number, since it uses as much as digits as its factorization.

145930453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 145930453 is about 12080.1677554577. The cubic root of 145930453 is about 526.4801201118.

Adding to 145930453 its reverse (354039541), we get a palindrome (499969994).

The spelling of 145930453 in words is "one hundred forty-five million, nine hundred thirty thousand, four hundred fifty-three".