155724772341 has 8 divisors (see below), whose sum is σ = 207646094304. Its totient is φ = 103809982640.

The previous prime is 155724772297. The next prime is 155724772397. The reversal of 155724772341 is 143277427551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155724772341 - 2⁶ = 155724772277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155724772241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577166 + ... + 1672991.

It is an arithmetic number, because the mean of its divisors is an integer number (25955761788).

Almost surely, 2^155724772341 is an apocalyptic number.

It is an amenable number.

155724772341 is a deficient number, since it is larger than the sum of its proper divisors (51921321963).

155724772341 is a wasteful number, since it uses less digits than its factorization.

155724772341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266131.

The product of its digits is 1646400, while the sum is 48.

The spelling of 155724772341 in words is "one hundred fifty-five billion, seven hundred twenty-four million, seven hundred seventy-two thousand, three hundred forty-one".