148680905 has 8 divisors (see below), whose sum is σ = 180054600. Its totient is φ = 117853056.

The previous prime is 148680899. The next prime is 148680913. The reversal of 148680905 is 509086841.

It can be written as a sum of positive squares in 4 ways, for example, as 12538681 + 136142224 = 3541^2 + 11668^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 148680905 - 2¹⁴ = 148664521 is a prime.

It is a Curzon 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, 135860 + ... + 136949.

It is an arithmetic number, because the mean of its divisors is an integer number (22506825).

Almost surely, 2^148680905 is an apocalyptic number.

It is an amenable number.

148680905 is a deficient number, since it is larger than the sum of its proper divisors (31373695).

148680905 is a wasteful number, since it uses less digits than its factorization.

148680905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272923.

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

The square root of 148680905 is about 12193.4779698001. The cubic root of 148680905 is about 529.7671992888.

The spelling of 148680905 in words is "one hundred forty-eight million, six hundred eighty thousand, nine hundred five".