145015010121 has 8 divisors (see below), whose sum is σ = 204727073184. Its totient is φ = 90989810240.

The previous prime is 145015010113. The next prime is 145015010131. The reversal of 145015010121 is 121010510541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145015010121 - 2³ = 145015010113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145015010131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421715735 + ... + 1421715836.

It is an arithmetic number, because the mean of its divisors is an integer number (25590884148).

Almost surely, 2^145015010121 is an apocalyptic number.

It is an amenable number.

145015010121 is a deficient number, since it is larger than the sum of its proper divisors (59712063063).

145015010121 is a wasteful number, since it uses less digits than its factorization.

145015010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843431591.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 145015010121 its reverse (121010510541), we get a palindrome (266025520662).

The spelling of 145015010121 in words is "one hundred forty-five billion, fifteen million, ten thousand, one hundred twenty-one".