155270248 has 64 divisors (see below), whose sum is σ = 360581760. Its totient is φ = 61157376.

The previous prime is 155270243. The next prime is 155270251. The reversal of 155270248 is 842072551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (155270243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39040 + ... + 42832.

It is an arithmetic number, because the mean of its divisors is an integer number (5634090).

Almost surely, 2^155270248 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 155270248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180290880).

155270248 is an abundant number, since it is smaller than the sum of its proper divisors (205311512).

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

155270248 is a wasteful number, since it uses less digits than its factorization.

155270248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866 (or 3862 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 155270248 is about 12460.7482921372. The cubic root of 155270248 is about 537.4805450323.

The spelling of 155270248 in words is "one hundred fifty-five million, two hundred seventy thousand, two hundred forty-eight".