145425432231313 has 8 divisors (see below), whose sum is σ = 156612228362856. Its totient is φ = 134238668160000.

The previous prime is 145425432231301. The next prime is 145425432231323. The reversal of 145425432231313 is 313132234524541.

It can be written as a sum of positive squares in 4 ways, for example, as 9266009056144 + 136159423175169 = 3044012^2 + 11668737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145425432231313 - 2¹³ = 145425432223121 is a prime.

It is a super-2 number, since 2×145425432231313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145425432231313.

It is not an unprimeable number, because it can be changed into a prime (145425432231323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856163 + ... + 17155063.

It is an arithmetic number, because the mean of its divisors is an integer number (19576528545357).

Almost surely, 2^{145425432231313} is an apocalyptic number.

145425432231313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145425432231313 is a deficient number, since it is larger than the sum of its proper divisors (11186796131543).

145425432231313 is a wasteful number, since it uses less digits than its factorization.

145425432231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16030115.

The product of its digits is 1036800, while the sum is 43.

Adding to 145425432231313 its reverse (313132234524541), we get a palindrome (458557666755854).

The spelling of 145425432231313 in words is "one hundred forty-five trillion, four hundred twenty-five billion, four hundred thirty-two million, two hundred thirty-one thousand, three hundred thirteen".