148099021 has 24 divisors (see below), whose sum is σ = 177883776. Its totient is φ = 122875200.

The previous prime is 148098989. The next prime is 148099057. The reversal of 148099021 is 120990841.

It is not a de Polignac number, because 148099021 - 2⁵ = 148098989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148019021) 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 23 ways as a sum of consecutive naturals, for example, 246121 + ... + 246721.

It is an arithmetic number, because the mean of its divisors is an integer number (7411824).

Almost surely, 2^148099021 is an apocalyptic number.

It is an amenable number.

148099021 is a deficient number, since it is larger than the sum of its proper divisors (29784755).

148099021 is a wasteful number, since it uses less digits than its factorization.

148099021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 148099021 is about 12169.5941181290. The cubic root of 148099021 is about 529.0751891581.

The spelling of 148099021 in words is "one hundred forty-eight million, ninety-nine thousand, twenty-one".