154956000505 has 8 divisors (see below), whose sum is σ = 186076969992. Its totient is φ = 123878287488.

The previous prime is 154956000503. The next prime is 154956000539. The reversal of 154956000505 is 505000659451.

It can be written as a sum of positive squares in 4 ways, for example, as 4616794809 + 150339205696 = 67947^2 + 387736^2 .

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 154956000505 - 2¹ = 154956000503 is a prime.

It is a super-2 number, since 2×154956000505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154956000503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10806234 + ... + 10820563.

It is an arithmetic number, because the mean of its divisors is an integer number (23259621249).

Almost surely, 2^154956000505 is an apocalyptic number.

It is an amenable number.

154956000505 is a deficient number, since it is larger than the sum of its proper divisors (31120969487).

154956000505 is a wasteful number, since it uses less digits than its factorization.

154956000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21628235.

The product of its (nonzero) digits is 135000, while the sum is 40.

Adding to 154956000505 its reverse (505000659451), we get a palindrome (659956659956).

It can be divided in two parts, 154 and 956000505, that added together give a palindrome (956000659).

The spelling of 154956000505 in words is "one hundred fifty-four billion, nine hundred fifty-six million, five hundred five", and thus it is an aban number.