148222140 has 48 divisors (see below), whose sum is σ = 452753280. Its totient is φ = 35932480.

The previous prime is 148222127. The next prime is 148222141. The reversal of 148222140 is 41222841.

148222140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 148222140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148222141) 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, 111630 + ... + 112949.

It is an arithmetic number, because the mean of its divisors is an integer number (9432360).

Almost surely, 2^148222140 is an apocalyptic number.

148222140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148222140 is an abundant number, since it is smaller than the sum of its proper divisors (304531140).

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

148222140 is a wasteful number, since it uses less digits than its factorization.

148222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224602 (or 224600 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 148222140 is about 12174.6515350543. The cubic root of 148222140 is about 529.2217603855.

Adding to 148222140 its reverse (41222841), we get a palindrome (189444981).

The spelling of 148222140 in words is "one hundred forty-eight million, two hundred twenty-two thousand, one hundred forty".