148449856 has 21 divisors (see below), whose sum is σ = 294773731. Its totient is φ = 74176192.

The previous prime is 148449817. The next prime is 148449857. The reversal of 148449856 is 658944841.

It is a happy number.

The square root of 148449856 is 12184.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148449857) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 96711 + ... + 98233.

Almost surely, 2^148449856 is an apocalyptic number.

148449856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

148449856 is the 12184-th square number.

It is an amenable number.

148449856 is a deficient number, since it is larger than the sum of its proper divisors (146323875).

148449856 is an frugal number, since it uses more digits than its factorization.

148449856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058 (or 1525 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The cubic root of 148449856 is about 529.4926389467.

Multiplying 148449856 by its sum of digits (49), we get a square (7274042944 = 85288²).

The spelling of 148449856 in words is "one hundred forty-eight million, four hundred forty-nine thousand, eight hundred fifty-six".