148011840 has 224 divisors, whose sum is σ = 537423360. Its totient is φ = 38320128.

The previous prime is 148011839. The next prime is 148011869. The reversal of 148011840 is 48110841.

148011840 is a `hidden beast` number, since 1 + 480 + 1 + 184 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319449 + ... + 319911.

Almost surely, 2^148011840 is an apocalyptic number.

148011840 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 148011840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268711680).

148011840 is an abundant number, since it is smaller than the sum of its proper divisors (389411520).

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

148011840 is a wasteful number, since it uses less digits than its factorization.

148011840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 148011840 is about 12166.0116718668. The cubic root of 148011840 is about 528.9713524199.

Subtracting from 148011840 its reverse (48110841), we obtain a palindrome (99900999).

It can be divided in two parts, 14801 and 1840, that added together give a square (16641 = 129²).

The spelling of 148011840 in words is "one hundred forty-eight million, eleven thousand, eight hundred forty".