145026313 has 2 divisors, whose sum is σ = 145026314. Its totient is φ = 145026312.

The previous prime is 145026311. The next prime is 145026367. The reversal of 145026313 is 313620541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143928009 + 1098304 = 11997^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 145026313 - 2¹ = 145026311 is a prime.

Together with 145026311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145026311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72513156 + 72513157.

It is an arithmetic number, because the mean of its divisors is an integer number (72513157).

Almost surely, 2^145026313 is an apocalyptic number.

It is an amenable number.

145026313 is a deficient number, since it is larger than the sum of its proper divisors (1).

145026313 is an equidigital number, since it uses as much as digits as its factorization.

145026313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 145026313 is about 12042.6871170848. The cubic root of 145026313 is about 525.3905640991.

Adding to 145026313 its reverse (313620541), we get a palindrome (458646854).

The spelling of 145026313 in words is "one hundred forty-five million, twenty-six thousand, three hundred thirteen".