148909712 has 40 divisors (see below), whose sum is σ = 331502592. Its totient is φ = 63475200.

The previous prime is 148909679. The next prime is 148909721. The reversal of 148909712 is 217909841.

It is a self number, because there is not a number n which added to its sum of digits gives 148909712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17912 + ... + 24872.

Almost surely, 2^148909712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148909712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165751296).

148909712 is an abundant number, since it is smaller than the sum of its proper divisors (182592880).

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

148909712 is a wasteful number, since it uses less digits than its factorization.

148909712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167 (or 7161 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 148909712 is about 12202.8567147205. The cubic root of 148909712 is about 530.0388152420.

The spelling of 148909712 in words is "one hundred forty-eight million, nine hundred nine thousand, seven hundred twelve".