65148930 has 288 divisors, whose sum is σ = 230480640. Its totient is φ = 12579840.

The previous prime is 65148901. The next prime is 65148931. The reversal of 65148930 is 3984156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65148931) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 824631 + ... + 824709.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^65148930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65148930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115240320).

65148930 is an abundant number, since it is smaller than the sum of its proper divisors (165331710).

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

65148930 is a wasteful number, since it uses less digits than its factorization.

65148930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 65148930 is about 8071.4887102690. The cubic root of 65148930 is about 402.3794219788.

The spelling of 65148930 in words is "sixty-five million, one hundred forty-eight thousand, nine hundred thirty".