148581984 has 48 divisors (see below), whose sum is σ = 395539200. Its totient is φ = 48827520.

The previous prime is 148581971. The next prime is 148581997. The reversal of 148581984 is 489185841.

It is an interprime number because it is at equal distance from previous prime (148581971) and next prime (148581997).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 4084 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (8240400).

Almost surely, 2^148581984 is an apocalyptic number.

It is an amenable number.

148581984 is an abundant number, since it is smaller than the sum of its proper divisors (246957216).

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

148581984 is a wasteful number, since it uses less digits than its factorization.

148581984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21883 (or 21875 counting only the distinct ones).

The product of its digits is 368640, while the sum is 48.

The square root of 148581984 is about 12189.4209870691. The cubic root of 148581984 is about 529.6496842487.

The spelling of 148581984 in words is "one hundred forty-eight million, five hundred eighty-one thousand, nine hundred eighty-four".