155189248 has 46 divisors (see below), whose sum is σ = 318767066. Its totient is φ = 75497472.

The previous prime is 155189239. The next prime is 155189249. The reversal of 155189248 is 842981551.

It can be written as a sum of positive squares in only one way, i.e., 150994944 + 4194304 = 12288^2 + 2048^2 .

It is a nialpdrome in base 4 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155189249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4194286 + ... + 4194322.

Almost surely, 2^155189248 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 155189248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159383533).

155189248 is an abundant number, since it is smaller than the sum of its proper divisors (163577818).

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

155189248 is an frugal number, since it uses more digits than its factorization.

155189248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 39 counting only the distinct ones).

The product of its digits is 115200, while the sum is 43.

The square root of 155189248 is about 12457.4976620508. The cubic root of 155189248 is about 537.3870660875.

The spelling of 155189248 in words is "one hundred fifty-five million, one hundred eighty-nine thousand, two hundred forty-eight".