145313353 has 2 divisors, whose sum is σ = 145313354. Its totient is φ = 145313352.

The previous prime is 145313351. The next prime is 145313417. The reversal of 145313353 is 353313541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137545984 + 7767369 = 11728^2 + 2787^2 .

It is a cyclic number.

It is not a de Polignac number, because 145313353 - 2¹ = 145313351 is a prime.

It is a super-2 number, since 2×145313353² = 42231941120205218, which contains 22 as substring.

Together with 145313351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145313351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72656676 + 72656677.

It is an arithmetic number, because the mean of its divisors is an integer number (72656677).

Almost surely, 2^145313353 is an apocalyptic number.

It is an amenable number.

145313353 is a deficient number, since it is larger than the sum of its proper divisors (1).

145313353 is an equidigital number, since it uses as much as digits as its factorization.

145313353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 28.

The square root of 145313353 is about 12054.5988319811. The cubic root of 145313353 is about 525.7369580722.

Adding to 145313353 its reverse (353313541), we get a palindrome (498626894).

The spelling of 145313353 in words is "one hundred forty-five million, three hundred thirteen thousand, three hundred fifty-three".