155682648 has 80 divisors (see below), whose sum is σ = 475718760. Its totient is φ = 47174400.

The previous prime is 155682619. The next prime is 155682649. The reversal of 155682648 is 846286551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155682649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3793 + ... + 18048.

Almost surely, 2^155682648 is an apocalyptic number.

155682648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155682648 is an abundant number, since it is smaller than the sum of its proper divisors (320036112).

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

155682648 is a wasteful number, since it uses less digits than its factorization.

155682648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21870 (or 21857 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 155682648 is about 12477.2852816628. The cubic root of 155682648 is about 537.9559763685.

It can be divided in two parts, 155682 and 648, that multiplied together give a square (100881936 = 10044²).

The spelling of 155682648 in words is "one hundred fifty-five million, six hundred eighty-two thousand, six hundred forty-eight".