145101121244 has 24 divisors (see below), whose sum is σ = 257904194688. Its totient is φ = 71417389680.

The previous prime is 145101121219. The next prime is 145101121271. The reversal of 145101121244 is 442121101541.

It is a happy number.

145101121244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 214682 + ... + 579905.

It is an arithmetic number, because the mean of its divisors is an integer number (10746008112).

Almost surely, 2^145101121244 is an apocalyptic number.

It is an amenable number.

145101121244 is a deficient number, since it is larger than the sum of its proper divisors (112803073444).

145101121244 is a wasteful number, since it uses less digits than its factorization.

145101121244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795305 (or 795303 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 145101121244 its reverse (442121101541), we get a palindrome (587222222785).

The spelling of 145101121244 in words is "one hundred forty-five billion, one hundred one million, one hundred twenty-one thousand, two hundred forty-four".