145423441412305 has 48 divisors (see below), whose sum is σ = 203244964387200. Its totient is φ = 99598299214848.

The previous prime is 145423441412299. The next prime is 145423441412317. The reversal of 145423441412305 is 503214144324541.

It is not a de Polignac number, because 145423441412305 - 2¹³ = 145423441404113 is a prime.

It is a super-2 number, since 2×145423441412305² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 727748796 + ... + 727948594.

It is an arithmetic number, because the mean of its divisors is an integer number (4234270091400).

Almost surely, 2^{145423441412305} is an apocalyptic number.

It is an amenable number.

145423441412305 is a deficient number, since it is larger than the sum of its proper divisors (57821522974895).

145423441412305 is a wasteful number, since it uses less digits than its factorization.

145423441412305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203398 (or 203391 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 145423441412305 its reverse (503214144324541), we get a palindrome (648637585736846).

The spelling of 145423441412305 in words is "one hundred forty-five trillion, four hundred twenty-three billion, four hundred forty-one million, four hundred twelve thousand, three hundred five".