148821485 has 16 divisors (see below), whose sum is σ = 190869696. Its totient is φ = 110999808.

The previous prime is 148821481. The next prime is 148821487. The reversal of 148821485 is 584128841.

It is a cyclic number.

It is not a de Polignac number, because 148821485 - 2² = 148821481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148821481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914 + ... + 17276.

It is an arithmetic number, because the mean of its divisors is an integer number (11929356).

Almost surely, 2^148821485 is an apocalyptic number.

It is an amenable number.

148821485 is a deficient number, since it is larger than the sum of its proper divisors (42048211).

148821485 is a wasteful number, since it uses less digits than its factorization.

148821485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16492.

The product of its digits is 81920, while the sum is 41.

The square root of 148821485 is about 12199.2411649250. The cubic root of 148821485 is about 529.9341142734.

The spelling of 148821485 in words is "one hundred forty-eight million, eight hundred twenty-one thousand, four hundred eighty-five".