148821115 has 8 divisors (see below), whose sum is σ = 179327808. Its totient is φ = 118561920.

The previous prime is 148821107. The next prime is 148821121. The reversal of 148821115 is 511128841.

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

It is not a de Polignac number, because 148821115 - 2³ = 148821107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 60547 + ... + 62956.

It is an arithmetic number, because the mean of its divisors is an integer number (22415976).

Almost surely, 2^148821115 is an apocalyptic number.

148821115 is a deficient number, since it is larger than the sum of its proper divisors (30506693).

148821115 is a wasteful number, since it uses less digits than its factorization.

148821115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123749.

The product of its digits is 2560, while the sum is 31.

The square root of 148821115 is about 12199.2260000379. The cubic root of 148821115 is about 529.9336750990.

Adding to 148821115 its reverse (511128841), we get a palindrome (659949956).

The spelling of 148821115 in words is "one hundred forty-eight million, eight hundred twenty-one thousand, one hundred fifteen".