145103313 has 16 divisors (see below), whose sum is σ = 205747776. Its totient is φ = 90647040.

The previous prime is 145103311. The next prime is 145103317. The reversal of 145103313 is 313301541.

It is not a de Polignac number, because 145103313 - 2¹ = 145103311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145103313.

It is not an unprimeable number, because it can be changed into a prime (145103311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5778 + ... + 17988.

It is an arithmetic number, because the mean of its divisors is an integer number (12859236).

Almost surely, 2^145103313 is an apocalyptic number.

It is an amenable number.

145103313 is a deficient number, since it is larger than the sum of its proper divisors (60644463).

145103313 is a wasteful number, since it uses less digits than its factorization.

145103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12464.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 145103313 is about 12045.8836537632. The cubic root of 145103313 is about 525.4835309430.

Adding to 145103313 its reverse (313301541), we get a palindrome (458404854).

The spelling of 145103313 in words is "one hundred forty-five million, one hundred three thousand, three hundred thirteen".