148809605 has 8 divisors (see below), whose sum is σ = 204081792. Its totient is φ = 102040848.

The previous prime is 148809601. The next prime is 148809611. The reversal of 148809605 is 506908841.

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

It is not a de Polignac number, because 148809605 - 2² = 148809601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148809601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125817 + ... + 2125886.

It is an arithmetic number, because the mean of its divisors is an integer number (25510224).

Almost surely, 2^148809605 is an apocalyptic number.

It is an amenable number.

148809605 is a deficient number, since it is larger than the sum of its proper divisors (55272187).

148809605 is an equidigital number, since it uses as much as digits as its factorization.

148809605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251715.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 148809605 is about 12198.7542396755. The cubic root of 148809605 is about 529.9200128489.

The spelling of 148809605 in words is "one hundred forty-eight million, eight hundred nine thousand, six hundred five".