148122240 has 256 divisors, whose sum is σ = 549918720. Its totient is φ = 33214464.

The previous prime is 148122203. The next prime is 148122283. The reversal of 148122240 is 42221841.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 148122240.

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, 1384267 + ... + 1384373.

It is an arithmetic number, because the mean of its divisors is an integer number (2148120).

Almost surely, 2^148122240 is an apocalyptic number.

148122240 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 148122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274959360).

148122240 is an abundant number, since it is smaller than the sum of its proper divisors (401796480).

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

148122240 is a wasteful number, since it uses less digits than its factorization.

148122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 227 counting only the distinct ones).

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

The square root of 148122240 is about 12170.5480566818. The cubic root of 148122240 is about 529.1028372250.

The spelling of 148122240 in words is "one hundred forty-eight million, one hundred twenty-two thousand, two hundred forty".