155006443433243 has 4 divisors (see below), whose sum is σ = 155007849204408. Its totient is φ = 155005037662080.

The previous prime is 155006443433213. The next prime is 155006443433249. The reversal of 155006443433243 is 342334344600551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155006443433243 - 2¹⁶ = 155006443367707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155006443433249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702720173 + ... + 702940718.

It is an arithmetic number, because the mean of its divisors is an integer number (38751962301102).

Almost surely, 2^{155006443433243} is an apocalyptic number.

155006443433243 is a deficient number, since it is larger than the sum of its proper divisors (1405771165).

155006443433243 is a wasteful number, since it uses less digits than its factorization.

155006443433243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405771164.

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 155006443433243 in words is "one hundred fifty-five trillion, six billion, four hundred forty-three million, four hundred thirty-three thousand, two hundred forty-three".