145304344253 has 8 divisors (see below), whose sum is σ = 148295623608. Its totient is φ = 142322312704.

The previous prime is 145304344247. The next prime is 145304344309. The reversal of 145304344253 is 352443403541.

145304344253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40793092729 + 104511251524 = 201973^2 + 323282^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145304344253 - 2¹⁰ = 145304343229 is a prime.

It is a super-2 number, since 2×145304344253² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145304344153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2280200 + ... + 2343057.

It is an arithmetic number, because the mean of its divisors is an integer number (18536952951).

Almost surely, 2^145304344253 is an apocalyptic number.

It is an amenable number.

145304344253 is a deficient number, since it is larger than the sum of its proper divisors (2991279355).

145304344253 is an equidigital number, since it uses as much as digits as its factorization.

145304344253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623903.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 145304344253 its reverse (352443403541), we get a palindrome (497747747794).

The spelling of 145304344253 in words is "one hundred forty-five billion, three hundred four million, three hundred forty-four thousand, two hundred fifty-three".