154505515145 has 32 divisors (see below), whose sum is σ = 190374395904. Its totient is φ = 120313368000.

The previous prime is 154505515141. The next prime is 154505515259. The reversal of 154505515145 is 541515505451.

154505515145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154505515145 - 2² = 154505515141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154505515141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134235320 + ... + 134236470.

It is an arithmetic number, because the mean of its divisors is an integer number (5949199872).

Almost surely, 2^154505515145 is an apocalyptic number.

It is an amenable number.

154505515145 is a deficient number, since it is larger than the sum of its proper divisors (35868880759).

154505515145 is a wasteful number, since it uses less digits than its factorization.

154505515145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813.

The product of its (nonzero) digits is 250000, while the sum is 41.

The spelling of 154505515145 in words is "one hundred fifty-four billion, five hundred five million, five hundred fifteen thousand, one hundred forty-five".