149578648 has 16 divisors (see below), whose sum is σ = 296957880. Its totient is φ = 70389888.

The previous prime is 149578633. The next prime is 149578657. The reversal of 149578648 is 846875941.

It is a junction number, because it is equal to n+sod(n) for n = 149578595 and 149578604.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 549786 + ... + 550057.

Almost surely, 2^149578648 is an apocalyptic number.

It is an amenable number.

149578648 is a deficient number, since it is larger than the sum of its proper divisors (147379232).

149578648 is a wasteful number, since it uses less digits than its factorization.

149578648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099866 (or 1099862 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 149578648 is about 12230.2349936540. The cubic root of 149578648 is about 530.8313143499.

The spelling of 149578648 in words is "one hundred forty-nine million, five hundred seventy-eight thousand, six hundred forty-eight".