148449280 has 192 divisors, whose sum is σ = 432432000. Its totient is φ = 47775744.

The previous prime is 148449277. The next prime is 148449281. The reversal of 148449280 is 82944841.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148449281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361866 + ... + 1361974.

It is an arithmetic number, because the mean of its divisors is an integer number (2252250).

Almost surely, 2^148449280 is an apocalyptic number.

148449280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148449280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216216000).

148449280 is an abundant number, since it is smaller than the sum of its proper divisors (283982720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148449280 is a wasteful number, since it uses less digits than its factorization.

148449280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 148449280 is about 12183.9763624196. The cubic root of 148449280 is about 529.4919541180.

The spelling of 148449280 in words is "one hundred forty-eight million, four hundred forty-nine thousand, two hundred eighty".