148968640 has 56 divisors (see below), whose sum is σ = 366198912. Its totient is φ = 57661440.

The previous prime is 148968619. The next prime is 148968647. The reversal of 148968640 is 46869841.

It is not an unprimeable number, because it can be changed into a prime (148968647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412 + ... + 17428.

Almost surely, 2^148968640 is an apocalyptic number.

148968640 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 148968640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183099456).

148968640 is an abundant number, since it is smaller than the sum of its proper divisors (217230272).

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

148968640 is a wasteful number, since it uses less digits than its factorization.

148968640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15065 (or 15055 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 148968640 is about 12205.2709924852. The cubic root of 148968640 is about 530.1087233935.

The spelling of 148968640 in words is "one hundred forty-eight million, nine hundred sixty-eight thousand, six hundred forty".