155478648 has 48 divisors (see below), whose sum is σ = 420907320. Its totient is φ = 47838336.

The previous prime is 155478619. The next prime is 155478707. The reversal of 155478648 is 846874551.

It is a junction number, because it is equal to n+sod(n) for n = 155478597 and 155478606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15111 + ... + 23222.

Almost surely, 2^155478648 is an apocalyptic number.

It is an amenable number.

155478648 is an abundant number, since it is smaller than the sum of its proper divisors (265428672).

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

155478648 is a wasteful number, since it uses less digits than its factorization.

155478648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38368 (or 38351 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 155478648 is about 12469.1077467476. The cubic root of 155478648 is about 537.7209020261.

The spelling of 155478648 in words is "one hundred fifty-five million, four hundred seventy-eight thousand, six hundred forty-eight".