155554136540146 has 16 divisors (see below), whose sum is σ = 233367648868224. Its totient is φ = 77764920812064.

The previous prime is 155554136540141. The next prime is 155554136540167. The reversal of 155554136540146 is 641045631455551.

155554136540146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155554136540141) 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, 678784635 + ... + 679013761.

It is an arithmetic number, because the mean of its divisors is an integer number (14585478054264).

Almost surely, 2^{155554136540146} is an apocalyptic number.

155554136540146 is a deficient number, since it is larger than the sum of its proper divisors (77813512328078).

155554136540146 is a wasteful number, since it uses less digits than its factorization.

155554136540146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280665.

The product of its (nonzero) digits is 21600000, while the sum is 55.

Adding to 155554136540146 its reverse (641045631455551), we get a palindrome (796599767995697).

The spelling of 155554136540146 in words is "one hundred fifty-five trillion, five hundred fifty-four billion, one hundred thirty-six million, five hundred forty thousand, one hundred forty-six".