145154531321244 has 36 divisors (see below), whose sum is σ = 367138505787144. Its totient is φ = 48355818652512.

The previous prime is 145154531321183. The next prime is 145154531321251. The reversal of 145154531321244 is 442123135451541.

145154531321244 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 54 + 5 + 31 + 321 + 244 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 145154531321244.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1209319207 + ... + 1209439230.

Almost surely, 2^{145154531321244} is an apocalyptic number.

It is an amenable number.

145154531321244 is an abundant number, since it is smaller than the sum of its proper divisors (221983974465900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145154531321244 is a wasteful number, since it uses less digits than its factorization.

145154531321244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418760114 (or 2418760109 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

Adding to 145154531321244 its reverse (442123135451541), we get a palindrome (587277666772785).

The spelling of 145154531321244 in words is "one hundred forty-five trillion, one hundred fifty-four billion, five hundred thirty-one million, three hundred twenty-one thousand, two hundred forty-four".