148067481 has 4 divisors (see below), whose sum is σ = 197423312. Its totient is φ = 98711652.

The previous prime is 148067473. The next prime is 148067483. The reversal of 148067481 is 184760841.

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, and also an emirpimes, since its reverse is a distinct semiprime: 184760841 = 3 ⋅61586947.

It is not a de Polignac number, because 148067481 - 2³ = 148067473 is a prime.

It is a super-2 number, since 2×148067481² = 43847957859370722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148067483) 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, 24677911 + ... + 24677916.

It is an arithmetic number, because the mean of its divisors is an integer number (49355828).

Almost surely, 2^148067481 is an apocalyptic number.

It is an amenable number.

148067481 is a deficient number, since it is larger than the sum of its proper divisors (49355831).

148067481 is an equidigital number, since it uses as much as digits as its factorization.

148067481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49355830.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 148067481 is about 12168.2981965433. The cubic root of 148067481 is about 529.0376282162.

The spelling of 148067481 in words is "one hundred forty-eight million, sixty-seven thousand, four hundred eighty-one".