145004120453205 has 24 divisors (see below), whose sum is σ = 270674358180408. Its totient is φ = 71386643915136.

The previous prime is 145004120453189. The next prime is 145004120453243. The reversal of 145004120453205 is 502354021400541.

145004120453205 is a `hidden beast` number, since 1 + 4 + 500 + 4 + 120 + 4 + 5 + 3 + 20 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3755506795569 + 141248613657636 = 1937913^2 + 11884806^2 .

It is not a de Polignac number, because 145004120453205 - 2⁴ = 145004120453189 is a prime.

It is a super-2 number, since 2×145004120453205² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145004120453205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123935145102 + ... + 123935146271.

It is an arithmetic number, because the mean of its divisors is an integer number (11278098257517).

Almost surely, 2^{145004120453205} is an apocalyptic number.

145004120453205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145004120453205 is a deficient number, since it is larger than the sum of its proper divisors (125670237727203).

145004120453205 is a wasteful number, since it uses less digits than its factorization.

145004120453205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247870291397 (or 247870291394 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 145004120453205 its reverse (502354021400541), we get a palindrome (647358141853746).

The spelling of 145004120453205 in words is "one hundred forty-five trillion, four billion, one hundred twenty million, four hundred fifty-three thousand, two hundred five".