145121234340201 has 16 divisors (see below), whose sum is σ = 221137680949248. Its totient is φ = 82926208890000.

The previous prime is 145121234340193. The next prime is 145121234340293. The reversal of 145121234340201 is 102043432121541.

It is not a de Polignac number, because 145121234340201 - 2³ = 145121234340193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145121234340001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121395 + ... + 17036936.

It is an arithmetic number, because the mean of its divisors is an integer number (13821105059328).

Almost surely, 2^{145121234340201} is an apocalyptic number.

It is an amenable number.

145121234340201 is a deficient number, since it is larger than the sum of its proper divisors (76016446609047).

145121234340201 is a wasteful number, since it uses less digits than its factorization.

145121234340201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17561092.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 145121234340201 its reverse (102043432121541), we get a palindrome (247164666461742).

The spelling of 145121234340201 in words is "one hundred forty-five trillion, one hundred twenty-one billion, two hundred thirty-four million, three hundred forty thousand, two hundred one".