148363840 has 56 divisors (see below), whose sum is σ = 354357432. Its totient is φ = 59166720.

The previous prime is 148363771. The next prime is 148363843. The reversal of 148363840 is 48363841.

It can be written as a sum of positive squares in 4 ways, for example, as 37356544 + 111007296 = 6112^2 + 10536^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 148363840.

It is not an unprimeable number, because it can be changed into a prime (148363843) 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 7 ways as a sum of consecutive naturals, for example, 172692 + ... + 173548.

Almost surely, 2^148363840 is an apocalyptic number.

148363840 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 148363840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177178716).

148363840 is an abundant number, since it is smaller than the sum of its proper divisors (205993592).

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

148363840 is an equidigital number, since it uses as much as digits as its factorization.

148363840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 148363840 is about 12180.4696132785. The cubic root of 148363840 is about 529.3903515716.

Subtracting from 148363840 its reverse (48363841), we obtain a palindrome (99999999).

The spelling of 148363840 in words is "one hundred forty-eight million, three hundred sixty-three thousand, eight hundred forty".