145545301353205 has 8 divisors (see below), whose sum is σ = 188089312518072. Its totient is φ = 107479607153088.

The previous prime is 145545301353187. The next prime is 145545301353211. The reversal of 145545301353205 is 502353103545541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1402369903089 + 144142931450116 = 1184217^2 + 12005954^2 .

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 145545301353205 - 2²³ = 145545292964597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119579241114 + ... + 1119579241243.

It is an arithmetic number, because the mean of its divisors is an integer number (23511164064759).

Almost surely, 2^{145545301353205} is an apocalyptic number.

It is an amenable number.

145545301353205 is a deficient number, since it is larger than the sum of its proper divisors (42544011164867).

145545301353205 is a wasteful number, since it uses less digits than its factorization.

145545301353205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239158482375.

The product of its (nonzero) digits is 2700000, while the sum is 46.

Adding to 145545301353205 its reverse (502353103545541), we get a palindrome (647898404898746).

The spelling of 145545301353205 in words is "one hundred forty-five trillion, five hundred forty-five billion, three hundred one million, three hundred fifty-three thousand, two hundred five".