145124045400405 has 48 divisors (see below), whose sum is σ = 247071082757184. Its totient is φ = 72725369395200.

The previous prime is 145124045400319. The next prime is 145124045400419. The reversal of 145124045400405 is 504004540421541.

It is a de Polignac number, because none of the positive numbers 2^k-145124045400405 is a prime.

It is a congruent number.

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, 25245987 + ... + 30456656.

It is an arithmetic number, because the mean of its divisors is an integer number (5147314224108).

Almost surely, 2^{145124045400405} is an apocalyptic number.

145124045400405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145124045400405 is a deficient number, since it is larger than the sum of its proper divisors (101947037356779).

145124045400405 is a wasteful number, since it uses less digits than its factorization.

145124045400405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55703286 (or 55703269 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 145124045400405 its reverse (504004540421541), we get a palindrome (649128585821946).

The spelling of 145124045400405 in words is "one hundred forty-five trillion, one hundred twenty-four billion, forty-five million, four hundred thousand, four hundred five".