155867648 has 20 divisors (see below), whose sum is σ = 311431890. Its totient is φ = 77933568.

The previous prime is 155867639. The next prime is 155867653. The reversal of 155867648 is 846768551.

It can be written as a sum of positive squares in only one way, i.e., 130142464 + 25725184 = 11408^2 + 5072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155867596 and 155867605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151703 + ... + 152726.

Almost surely, 2^155867648 is an apocalyptic number.

It is an amenable number.

155867648 is a deficient number, since it is larger than the sum of its proper divisors (155564242).

155867648 is an frugal number, since it uses more digits than its factorization.

155867648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304447 (or 304431 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 155867648 is about 12484.6965521794. The cubic root of 155867648 is about 538.1689790416.

The spelling of 155867648 in words is "one hundred fifty-five million, eight hundred sixty-seven thousand, six hundred forty-eight".