145001313 has 16 divisors (see below), whose sum is σ = 227453760. Its totient is φ = 90980928.

The previous prime is 145001303. The next prime is 145001317. The reversal of 145001313 is 313100541.

It is not a de Polignac number, because 145001313 - 2¹² = 144997217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145001317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157495 + ... + 158412.

It is an arithmetic number, because the mean of its divisors is an integer number (14215860).

Almost surely, 2^145001313 is an apocalyptic number.

It is an amenable number.

145001313 is a deficient number, since it is larger than the sum of its proper divisors (82452447).

145001313 is a wasteful number, since it uses less digits than its factorization.

145001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315933 (or 315927 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 145001313 is about 12041.6490980264. The cubic root of 145001313 is about 525.3603729826.

Adding to 145001313 its reverse (313100541), we get a palindrome (458101854).

The spelling of 145001313 in words is "one hundred forty-five million, one thousand, three hundred thirteen".