148211140 has 96 divisors (see below), whose sum is σ = 391152384. Its totient is φ = 45826560.

The previous prime is 148211111. The next prime is 148211143. The reversal of 148211140 is 41112841.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (148211143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241474 + ... + 242086.

It is an arithmetic number, because the mean of its divisors is an integer number (4074504).

Almost surely, 2^148211140 is an apocalyptic number.

148211140 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 148211140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195576192).

148211140 is an abundant number, since it is smaller than the sum of its proper divisors (242941244).

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

148211140 is a wasteful number, since it uses less digits than its factorization.

148211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 148211140 is about 12174.1997683626. The cubic root of 148211140 is about 529.2086683617.

Adding to 148211140 its reverse (41112841), we get a palindrome (189323981).

The spelling of 148211140 in words is "one hundred forty-eight million, two hundred eleven thousand, one hundred forty".