155842044 has 12 divisors (see below), whose sum is σ = 363631464. Its totient is φ = 51947344.

The previous prime is 155842031. The next prime is 155842097. The reversal of 155842044 is 440248551.

It is a happy number.

155842044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 155841996 and 155842014.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6493407 + ... + 6493430.

It is an arithmetic number, because the mean of its divisors is an integer number (30302622).

Almost surely, 2^155842044 is an apocalyptic number.

It is an amenable number.

155842044 is an abundant number, since it is smaller than the sum of its proper divisors (207789420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155842044 is a wasteful number, since it uses less digits than its factorization.

155842044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12986844 (or 12986842 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 155842044 is about 12483.6710946740. The cubic root of 155842044 is about 538.1395095242.

The spelling of 155842044 in words is "one hundred fifty-five million, eight hundred forty-two thousand, forty-four".