148665447 has 12 divisors (see below), whose sum is σ = 245416080. Its totient is φ = 84951648.

The previous prime is 148665437. The next prime is 148665457. The reversal of 148665447 is 744566841.

148665447 is a `hidden beast` number, since 1 + 48 + 66 + 544 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (148665437) and next prime (148665457).

It is not a de Polignac number, because 148665447 - 2⁶ = 148665383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148665437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179822 + ... + 1179947.

It is an arithmetic number, because the mean of its divisors is an integer number (20451340).

Almost surely, 2^148665447 is an apocalyptic number.

148665447 is a deficient number, since it is larger than the sum of its proper divisors (96750633).

148665447 is a wasteful number, since it uses less digits than its factorization.

148665447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359782 (or 2359779 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 148665447 is about 12192.8440898750. The cubic root of 148665447 is about 529.7488391074.

The spelling of 148665447 in words is "one hundred forty-eight million, six hundred sixty-five thousand, four hundred forty-seven".