148278464 has 28 divisors (see below), whose sum is σ = 294811704. Its totient is φ = 73995264.

The previous prime is 148278461. The next prime is 148278511. The reversal of 148278464 is 464872841.

It is not an unprimeable number, because it can be changed into a prime (148278461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35999 + ... + 39905.

Almost surely, 2^148278464 is an apocalyptic number.

It is an amenable number.

148278464 is a deficient number, since it is larger than the sum of its proper divisors (146533240).

148278464 is an equidigital number, since it uses as much as digits as its factorization.

148278464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512 (or 4502 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 148278464 is about 12176.9644821688. The cubic root of 148278464 is about 529.2887861609.

The spelling of 148278464 in words is "one hundred forty-eight million, two hundred seventy-eight thousand, four hundred sixty-four".