148268481 has 4 divisors (see below), whose sum is σ = 197691312. Its totient is φ = 98845652.

The previous prime is 148268473. The next prime is 148268489. The reversal of 148268481 is 184862841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (148268473) and next prime (148268489).

It is a cyclic number.

It is not a de Polignac number, because 148268481 - 2³ = 148268473 is a prime.

It is a super-2 number, since 2×148268481² = 43967084916094722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148268489) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24711411 + ... + 24711416.

It is an arithmetic number, because the mean of its divisors is an integer number (49422828).

Almost surely, 2^148268481 is an apocalyptic number.

It is an amenable number.

148268481 is a deficient number, since it is larger than the sum of its proper divisors (49422831).

148268481 is an equidigital number, since it uses as much as digits as its factorization.

148268481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49422830.

The product of its digits is 98304, while the sum is 42.

The square root of 148268481 is about 12176.5545619440. The cubic root of 148268481 is about 529.2769075905.

The spelling of 148268481 in words is "one hundred forty-eight million, two hundred sixty-eight thousand, four hundred eighty-one".