155354443345244 has 48 divisors (see below), whose sum is σ = 323248237764480. Its totient is φ = 64398336930240.

The previous prime is 155354443345237. The next prime is 155354443345337. The reversal of 155354443345244 is 442543344453551.

155354443345244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155354443345244² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155354443345244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636089134 + ... + 1636184085.

It is an arithmetic number, because the mean of its divisors is an integer number (6734338286760).

Almost surely, 2^{155354443345244} is an apocalyptic number.

It is an amenable number.

155354443345244 is an abundant number, since it is smaller than the sum of its proper divisors (167893794419236).

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

155354443345244 is a wasteful number, since it uses less digits than its factorization.

155354443345244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272273330 (or 3272273328 counting only the distinct ones).

The product of its digits is 138240000, while the sum is 56.

Adding to 155354443345244 its reverse (442543344453551), we get a palindrome (597897787798795).

The spelling of 155354443345244 in words is "one hundred fifty-five trillion, three hundred fifty-four billion, four hundred forty-three million, three hundred forty-five thousand, two hundred forty-four".