148302921 has 16 divisors (see below), whose sum is σ = 213361344. Its totient is φ = 91086144.

The previous prime is 148302901. The next prime is 148302941. The reversal of 148302921 is 129203841.

148302921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148302901) and next prime (148302941).

It is not a de Polignac number, because 148302921 - 2⁶ = 148302857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148302901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18310 + ... + 25136.

It is an arithmetic number, because the mean of its divisors is an integer number (13335084).

Almost surely, 2^148302921 is an apocalyptic number.

It is an amenable number.

148302921 is a deficient number, since it is larger than the sum of its proper divisors (65058423).

148302921 is a wasteful number, since it uses less digits than its factorization.

148302921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 148302921 is about 12177.9686729766. The cubic root of 148302921 is about 529.3178847993.

The spelling of 148302921 in words is "one hundred forty-eight million, three hundred two thousand, nine hundred twenty-one".