145230345025225 has 96 divisors (see below), whose sum is σ = 183971105345664. Its totient is φ = 113710618060800.

The previous prime is 145230345025169. The next prime is 145230345025229. The reversal of 145230345025225 is 522520543032541.

It is a happy number.

It is not a de Polignac number, because 145230345025225 - 2⁷ = 145230345025097 is a prime.

It is a super-2 number, since 2×145230345025225² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145230345025229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 122972349135 + ... + 122972350315.

It is an arithmetic number, because the mean of its divisors is an integer number (1916365680684).

Almost surely, 2^{145230345025225} is an apocalyptic number.

It is an amenable number.

145230345025225 is a deficient number, since it is larger than the sum of its proper divisors (38740760320439).

145230345025225 is a wasteful number, since it uses less digits than its factorization.

145230345025225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 145230345025225 its reverse (522520543032541), we get a palindrome (667750888057766).

The spelling of 145230345025225 in words is "one hundred forty-five trillion, two hundred thirty billion, three hundred forty-five million, twenty-five thousand, two hundred twenty-five".