148381392 has 20 divisors (see below), whose sum is σ = 383318720. Its totient is φ = 49460448.

The previous prime is 148381391. The next prime is 148381399. The reversal of 148381392 is 293183841.

It is a self number, because there is not a number n which added to its sum of digits gives 148381392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148381391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545592 + ... + 1545687.

It is an arithmetic number, because the mean of its divisors is an integer number (19165936).

Almost surely, 2^148381392 is an apocalyptic number.

148381392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

148381392 is an abundant number, since it is smaller than the sum of its proper divisors (234937328).

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

148381392 is a wasteful number, since it uses less digits than its factorization.

148381392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091290 (or 3091284 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 148381392 is about 12181.1900896423. The cubic root of 148381392 is about 529.4112270379.

The spelling of 148381392 in words is "one hundred forty-eight million, three hundred eighty-one thousand, three hundred ninety-two".