145305003005 has 16 divisors (see below), whose sum is σ = 180465678000. Its totient is φ = 112181422080.

The previous prime is 145305002993. The next prime is 145305003083. The reversal of 145305003005 is 500300503541.

It can be written as a sum of positive squares in 8 ways, for example, as 1046328409 + 144258674596 = 32347^2 + 379814^2 .

It is not a de Polignac number, because 145305003005 - 2⁸ = 145305002749 is a prime.

It is a super-2 number, since 2×145305003005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60971 + ... + 542519.

It is an arithmetic number, because the mean of its divisors is an integer number (11279104875).

Almost surely, 2^145305003005 is an apocalyptic number.

It is an amenable number.

145305003005 is a deficient number, since it is larger than the sum of its proper divisors (35160674995).

145305003005 is a wasteful number, since it uses less digits than its factorization.

145305003005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483664.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 145305003005 its reverse (500300503541), we get a palindrome (645605506546).

The spelling of 145305003005 in words is "one hundred forty-five billion, three hundred five million, three thousand, five".