155050134243 has 48 divisors (see below), whose sum is σ = 215502819840. Its totient is φ = 99128778112.

The previous prime is 155050134157. The next prime is 155050134251. The reversal of 155050134243 is 342431050551.

It is not a de Polignac number, because 155050134243 - 2³⁰ = 153976392419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155050134263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97946230 + ... + 97947812.

It is an arithmetic number, because the mean of its divisors is an integer number (4489642080).

Almost surely, 2^155050134243 is an apocalyptic number.

155050134243 is a deficient number, since it is larger than the sum of its proper divisors (60452685597).

155050134243 is a wasteful number, since it uses less digits than its factorization.

155050134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 155050134243 its reverse (342431050551), we get a palindrome (497481184794).

The spelling of 155050134243 in words is "one hundred fifty-five billion, fifty million, one hundred thirty-four thousand, two hundred forty-three".