154145052005 has 32 divisors (see below), whose sum is σ = 213050732544. Its totient is φ = 104874356736.

The previous prime is 154145051981. The next prime is 154145052011. The reversal of 154145052005 is 500250541451.

It is a cyclic number.

It is not a de Polignac number, because 154145052005 - 2¹⁰ = 154145050981 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 31 ways as a sum of consecutive naturals, for example, 10891964 + ... + 10906106.

It is an arithmetic number, because the mean of its divisors is an integer number (6657835392).

Almost surely, 2^154145052005 is an apocalyptic number.

It is an amenable number.

154145052005 is a deficient number, since it is larger than the sum of its proper divisors (58905680539).

154145052005 is a wasteful number, since it uses less digits than its factorization.

154145052005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16565.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 154145052005 its reverse (500250541451), we get a palindrome (654395593456).

The spelling of 154145052005 in words is "one hundred fifty-four billion, one hundred forty-five million, fifty-two thousand, five".