148722240 has 224 divisors, whose sum is σ = 500359680. Its totient is φ = 37380096.

The previous prime is 148722229. The next prime is 148722247. The reversal of 148722240 is 42227841.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 148722198 and 148722207.

It is not an unprimeable number, because it can be changed into a prime (148722247) 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 31 ways as a sum of consecutive naturals, for example, 1882521 + ... + 1882599.

Almost surely, 2^148722240 is an apocalyptic number.

148722240 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 148722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250179840).

148722240 is an abundant number, since it is smaller than the sum of its proper divisors (351637440).

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

148722240 is a wasteful number, since it uses less digits than its factorization.

148722240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 148722240 is about 12195.1728155037. The cubic root of 148722240 is about 529.8162885296.

The spelling of 148722240 in words is "one hundred forty-eight million, seven hundred twenty-two thousand, two hundred forty".