65148948 has 90 divisors (see below), whose sum is σ = 180070506. Its totient is φ = 20536416.

The previous prime is 65148931. The next prime is 65148977. The reversal of 65148948 is 84984156.

It can be written as a sum of positive squares in only one way, i.e., 42224004 + 22924944 = 6498^2 + 4788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 116686 + ... + 117242.

Almost surely, 2^65148948 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 65148948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90035253).

65148948 is an abundant number, since it is smaller than the sum of its proper divisors (114921558).

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

65148948 is a wasteful number, since it uses less digits than its factorization.

65148948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 581 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 65148948 is about 8071.4898253049. The cubic root of 65148948 is about 402.3794590366.

The spelling of 65148948 in words is "sixty-five million, one hundred forty-eight thousand, nine hundred forty-eight".