148409699 has 8 divisors (see below), whose sum is σ = 151608672. Its totient is φ = 145225600.

The previous prime is 148409687. The next prime is 148409717. The reversal of 148409699 is 996904841.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148409699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148409629) 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 7 ways as a sum of consecutive naturals, for example, 17762 + ... + 24744.

It is an arithmetic number, because the mean of its divisors is an integer number (18951084).

Almost surely, 2^148409699 is an apocalyptic number.

148409699 is a deficient number, since it is larger than the sum of its proper divisors (3198973).

148409699 is an equidigital number, since it uses as much as digits as its factorization.

148409699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7437.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 148409699 is about 12182.3519486181. The cubic root of 148409699 is about 529.4448904925. Note that the first 3 decimals are identical.

The spelling of 148409699 in words is "one hundred forty-eight million, four hundred nine thousand, six hundred ninety-nine".