155219648 has 28 divisors (see below), whose sum is σ = 308515512. Its totient is φ = 77483520.

The previous prime is 155219621. The next prime is 155219651. The reversal of 155219648 is 846912551.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47111 + ... + 50297.

Almost surely, 2^155219648 is an apocalyptic number.

It is an amenable number.

155219648 is a deficient number, since it is larger than the sum of its proper divisors (153295864).

155219648 is an equidigital number, since it uses as much as digits as its factorization.

155219648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3950 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 155219648 is about 12458.7177510368. The cubic root of 155219648 is about 537.4221533555.

The spelling of 155219648 in words is "one hundred fifty-five million, two hundred nineteen thousand, six hundred forty-eight".