155006844 has 48 divisors (see below), whose sum is σ = 378534912. Its totient is φ = 49275072.

The previous prime is 155006843. The next prime is 155006861. The reversal of 155006844 is 448600551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155006843) 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 15 ways as a sum of consecutive naturals, for example, 127182 + ... + 128394.

It is an arithmetic number, because the mean of its divisors is an integer number (7886144).

Almost surely, 2^155006844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155006844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189267456).

155006844 is an abundant number, since it is smaller than the sum of its proper divisors (223528068).

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

155006844 is a wasteful number, since it uses less digits than its factorization.

155006844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 155006844 is about 12450.1744566090. The cubic root of 155006844 is about 537.1764415748.

The spelling of 155006844 in words is "one hundred fifty-five million, six thousand, eight hundred forty-four".