146444400055401 has 32 divisors (see below), whose sum is σ = 223743465062400. Its totient is φ = 83461243791744.

The previous prime is 146444400055381. The next prime is 146444400055439. The reversal of 146444400055401 is 104550004444641.

It is not a de Polignac number, because 146444400055401 - 2²¹ = 146444397958249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146444400055451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254667861 + ... + 255242253.

It is an arithmetic number, because the mean of its divisors is an integer number (6991983283200).

Almost surely, 2^{146444400055401} is an apocalyptic number.

It is an amenable number.

146444400055401 is a deficient number, since it is larger than the sum of its proper divisors (77299065006999).

146444400055401 is a wasteful number, since it uses less digits than its factorization.

146444400055401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606485.

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 146444400055401 in words is "one hundred forty-six trillion, four hundred forty-four billion, four hundred million, fifty-five thousand, four hundred one".