155444315053 has 6 divisors (see below), whose sum is σ = 159143370414. Its totient is φ = 151829329176.

The previous prime is 155444315051. The next prime is 155444315071. The reversal of 155444315053 is 350513444551.

It can be written as a sum of positive squares in only one way, i.e., 93971063209 + 61473251844 = 306547^2 + 247938^2 .

It is not a de Polignac number, because 155444315053 - 2¹ = 155444315051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155444314997 and 155444315015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155444315051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42032850 + ... + 42036547.

It is an arithmetic number, because the mean of its divisors is an integer number (26523895069).

Almost surely, 2^155444315053 is an apocalyptic number.

It is an amenable number.

155444315053 is a deficient number, since it is larger than the sum of its proper divisors (3699055361).

155444315053 is an frugal number, since it uses more digits than its factorization.

155444315053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84069483 (or 84069440 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 155444315053 in words is "one hundred fifty-five billion, four hundred forty-four million, three hundred fifteen thousand, fifty-three".