148546449 has 6 divisors (see below), whose sum is σ = 214567106. Its totient is φ = 99030960.

The previous prime is 148546441. The next prime is 148546469. The reversal of 148546449 is 944645841.

148546449 is a `hidden beast` number, since 148 + 5 + 464 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106750224 + 41796225 = 10332^2 + 6465^2 .

It is not a de Polignac number, because 148546449 - 2³ = 148546441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148546441) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8252572 + ... + 8252589.

Almost surely, 2^148546449 is an apocalyptic number.

It is an amenable number.

148546449 is a deficient number, since it is larger than the sum of its proper divisors (66020657).

148546449 is a wasteful number, since it uses less digits than its factorization.

148546449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16505167 (or 16505164 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 148546449 is about 12187.9632835023. The cubic root of 148546449 is about 529.6074570517.

The spelling of 148546449 in words is "one hundred forty-eight million, five hundred forty-six thousand, four hundred forty-nine".