154214255121 has 32 divisors (see below), whose sum is σ = 212875938816. Its totient is φ = 99201024000.

The previous prime is 154214255101. The next prime is 154214255159. The reversal of 154214255121 is 121552412451.

154214255121 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 154214255121 - 2¹⁰ = 154214254097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154214255101) 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, 74104801 + ... + 74106881.

It is an arithmetic number, because the mean of its divisors is an integer number (6652373088).

Almost surely, 2^154214255121 is an apocalyptic number.

It is an amenable number.

154214255121 is a deficient number, since it is larger than the sum of its proper divisors (58661683695).

154214255121 is a wasteful number, since it uses less digits than its factorization.

154214255121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073.

The product of its digits is 16000, while the sum is 33.

Adding to 154214255121 its reverse (121552412451), we get a palindrome (275766667572).

The spelling of 154214255121 in words is "one hundred fifty-four billion, two hundred fourteen million, two hundred fifty-five thousand, one hundred twenty-one".