148404840 has 64 divisors (see below), whose sum is σ = 446515200. Its totient is φ = 39459072.

The previous prime is 148404833. The next prime is 148404853. The reversal of 148404840 is 48404841.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 44346 + ... + 47574.

It is an arithmetic number, because the mean of its divisors is an integer number (6976800).

Almost surely, 2^148404840 is an apocalyptic number.

148404840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148404840 is an abundant number, since it is smaller than the sum of its proper divisors (298110360).

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

148404840 is a wasteful number, since it uses less digits than its factorization.

148404840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626 (or 3622 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 148404840 is about 12182.1525191569. The cubic root of 148404840 is about 529.4391123418.

Subtracting from 148404840 its reverse (48404841), we obtain a palindrome (99999999).

The spelling of 148404840 in words is "one hundred forty-eight million, four hundred four thousand, eight hundred forty".