148689288 has 192 divisors, whose sum is σ = 475675200. Its totient is φ = 41472000.

The previous prime is 148689283. The next prime is 148689301. The reversal of 148689288 is 882986841.

148689288 is a `hidden beast` number, since 1 + 486 + 89 + 2 + 88 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148689283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 616848 + ... + 617088.

It is an arithmetic number, because the mean of its divisors is an integer number (2477475).

Almost surely, 2^148689288 is an apocalyptic number.

148689288 is a gapful number since it is divisible by the number (18) 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 148689288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237837600).

148689288 is an abundant number, since it is smaller than the sum of its proper divisors (326985912).

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

148689288 is a wasteful number, since it uses less digits than its factorization.

148689288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 317 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 54.

The square root of 148689288 is about 12193.8217142945. The cubic root of 148689288 is about 529.7771556334. Note that the first 3 decimals are identical.

The spelling of 148689288 in words is "one hundred forty-eight million, six hundred eighty-nine thousand, two hundred eighty-eight".