148021025 has 12 divisors (see below), whose sum is σ = 184361712. Its totient is φ = 117890640.

The previous prime is 148020967. The next prime is 148021033. The reversal of 148021025 is 520120841.

It is a de Polignac number, because none of the positive numbers 2^k-148021025 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7367 + ... + 18716.

It is an arithmetic number, because the mean of its divisors is an integer number (15363476).

Almost surely, 2^148021025 is an apocalyptic number.

It is an amenable number.

148021025 is a deficient number, since it is larger than the sum of its proper divisors (36340687).

148021025 is a wasteful number, since it uses less digits than its factorization.

148021025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26320 (or 26315 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 148021025 is about 12166.3891520862. The cubic root of 148021025 is about 528.9822941152.

Adding to 148021025 its reverse (520120841), we get a palindrome (668141866).

The spelling of 148021025 in words is "one hundred forty-eight million, twenty-one thousand, twenty-five".