148023666 has 64 divisors (see below), whose sum is σ = 378067200. Its totient is φ = 42052608.

The previous prime is 148023619. The next prime is 148023683. The reversal of 148023666 is 666320841.

It is a super-2 number, since 2×148023666² = 43822011392159112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148023666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71940 + ... + 73968.

It is an arithmetic number, because the mean of its divisors is an integer number (5907300).

Almost surely, 2^148023666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148023666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189033600).

148023666 is an abundant number, since it is smaller than the sum of its proper divisors (230043534).

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

148023666 is a wasteful number, since it uses less digits than its factorization.

148023666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2234 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 148023666 is about 12166.4976883243. The cubic root of 148023666 is about 528.9854401411.

The spelling of 148023666 in words is "one hundred forty-eight million, twenty-three thousand, six hundred sixty-six".