155146144205 has 8 divisors (see below), whose sum is σ = 200496555672. Its totient is φ = 114569460288.

The previous prime is 155146144183. The next prime is 155146144207. The reversal of 155146144205 is 502441641551.

It can be written as a sum of positive squares in 4 ways, for example, as 36382510564 + 118763633641 = 190742^2 + 344621^2 .

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 155146144205 - 2¹⁰ = 155146143181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155146144207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193431814 + ... + 1193431943.

It is an arithmetic number, because the mean of its divisors is an integer number (25062069459).

Almost surely, 2^155146144205 is an apocalyptic number.

It is an amenable number.

155146144205 is a deficient number, since it is larger than the sum of its proper divisors (45350411467).

155146144205 is a wasteful number, since it uses less digits than its factorization.

155146144205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386863775.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 155146144205 its reverse (502441641551), we get a palindrome (657587785756).

The spelling of 155146144205 in words is "one hundred fifty-five billion, one hundred forty-six million, one hundred forty-four thousand, two hundred five".