145312504325 has 12 divisors (see below), whose sum is σ = 180230772900. Its totient is φ = 116222088960.

The previous prime is 145312504321. The next prime is 145312504327. The reversal of 145312504325 is 523405213541.

It can be written as a sum of positive squares in 6 ways, for example, as 13317621604 + 131994882721 = 115402^2 + 363311^2 .

It is not a de Polignac number, because 145312504325 - 2² = 145312504321 is a prime.

It is a super-2 number, since 2×145312504325² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145312504321) 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 11 ways as a sum of consecutive naturals, for example, 591350 + ... + 800199.

It is an arithmetic number, because the mean of its divisors is an integer number (15019231075).

Almost surely, 2^145312504325 is an apocalyptic number.

It is an amenable number.

145312504325 is a deficient number, since it is larger than the sum of its proper divisors (34918268575).

145312504325 is a wasteful number, since it uses less digits than its factorization.

145312504325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395736 (or 1395731 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 145312504325 its reverse (523405213541), we get a palindrome (668717717866).

The spelling of 145312504325 in words is "one hundred forty-five billion, three hundred twelve million, five hundred four thousand, three hundred twenty-five".