148609216 has 56 divisors (see below), whose sum is σ = 342123776. Its totient is φ = 62726400.

The previous prime is 148609213. The next prime is 148609261. The reversal of 148609216 is 612906841.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (148609213) 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, 27541 + ... + 32491.

Almost surely, 2^148609216 is an apocalyptic number.

148609216 is a gapful number since it is divisible by the number (16) 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 148609216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171061888).

148609216 is an abundant number, since it is smaller than the sum of its proper divisors (193514560).

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

148609216 is an equidigital number, since it uses as much as digits as its factorization.

148609216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 148609216 is about 12190.5379700816. The cubic root of 148609216 is about 529.6820402108.

The spelling of 148609216 in words is "one hundred forty-eight million, six hundred nine thousand, two hundred sixteen".