148809646 has 8 divisors (see below), whose sum is σ = 223733664. Its totient is φ = 74231760.

The previous prime is 148809631. The next prime is 148809673. The reversal of 148809646 is 646908841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 148809596 and 148809605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85455 + ... + 87178.

It is an arithmetic number, because the mean of its divisors is an integer number (27966708).

Almost surely, 2^148809646 is an apocalyptic number.

148809646 is a deficient number, since it is larger than the sum of its proper divisors (74924018).

148809646 is a wasteful number, since it uses less digits than its factorization.

148809646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173066.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 148809646 is about 12198.7559201748. The cubic root of 148809646 is about 529.9200615167.

The spelling of 148809646 in words is "one hundred forty-eight million, eight hundred nine thousand, six hundred forty-six".