148256973 has 24 divisors (see below), whose sum is σ = 229255936. Its totient is φ = 95644800.

The previous prime is 148256971. The next prime is 148256987. The reversal of 148256973 is 379652841.

148256973 is a `hidden beast` number, since 1 + 4 + 82 + 569 + 7 + 3 = 666.

148256973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148256973 - 2¹ = 148256971 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148256971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2308 + ... + 17373.

Almost surely, 2^148256973 is an apocalyptic number.

It is an amenable number.

148256973 is a deficient number, since it is larger than the sum of its proper divisors (80998963).

148256973 is an equidigital number, since it uses as much as digits as its factorization.

148256973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19727 (or 19715 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 148256973 is about 12176.0820053086. The cubic root of 148256973 is about 529.2632137917.

The spelling of 148256973 in words is "one hundred forty-eight million, two hundred fifty-six thousand, nine hundred seventy-three".