154145350505 has 8 divisors (see below), whose sum is σ = 185041725000. Its totient is φ = 123271410816.

The previous prime is 154145350453. The next prime is 154145350519. The reversal of 154145350505 is 505053541451.

It can be written as a sum of positive squares in 4 ways, for example, as 26247564121 + 127897786384 = 162011^2 + 357628^2 .

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 154145350505 - 2⁶ = 154145350441 is a prime.

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, 5593580 + ... + 5621069.

It is an arithmetic number, because the mean of its divisors is an integer number (23130215625).

Almost surely, 2^154145350505 is an apocalyptic number.

It is an amenable number.

154145350505 is a deficient number, since it is larger than the sum of its proper divisors (30896374495).

154145350505 is a wasteful number, since it uses less digits than its factorization.

154145350505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217403.

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 154145350505 its reverse (505053541451), we get a palindrome (659198891956).

The spelling of 154145350505 in words is "one hundred fifty-four billion, one hundred forty-five million, three hundred fifty thousand, five hundred five".