148421566 has 8 divisors (see below), whose sum is σ = 225450720. Its totient is φ = 73271328.

The previous prime is 148421561. The next prime is 148421569. The reversal of 148421566 is 665124841.

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

It is a super-2 number, since 2×148421566² = 44057922507784712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148421561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469531 + ... + 469846.

It is an arithmetic number, because the mean of its divisors is an integer number (28181340).

Almost surely, 2^148421566 is an apocalyptic number.

148421566 is a deficient number, since it is larger than the sum of its proper divisors (77029154).

148421566 is an equidigital number, since it uses as much as digits as its factorization.

148421566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939458.

The product of its digits is 46080, while the sum is 37.

The square root of 148421566 is about 12182.8389958991. The cubic root of 148421566 is about 529.4590017783.

The spelling of 148421566 in words is "one hundred forty-eight million, four hundred twenty-one thousand, five hundred sixty-six".