155241855829 has 8 divisors (see below), whose sum is σ = 164858610240. Its totient is φ = 145769714496.

The previous prime is 155241855827. The next prime is 155241855833. The reversal of 155241855829 is 928558142551.

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 155241855829 - 2¹ = 155241855827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155241855829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155241855827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36151057 + ... + 36155350.

It is an arithmetic number, because the mean of its divisors is an integer number (20607326280).

Almost surely, 2^155241855829 is an apocalyptic number.

155241855829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

155241855829 is a deficient number, since it is larger than the sum of its proper divisors (9616754411).

155241855829 is a wasteful number, since it uses less digits than its factorization.

155241855829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72306539.

The product of its digits is 5760000, while the sum is 55.

The spelling of 155241855829 in words is "one hundred fifty-five billion, two hundred forty-one million, eight hundred fifty-five thousand, eight hundred twenty-nine".