65148457 has 8 divisors (see below), whose sum is σ = 71659872. Its totient is φ = 59224660.

The previous prime is 65148451. The next prime is 65148481. The reversal of 65148457 is 75484156.

It is not a de Polignac number, because 65148457 - 2¹¹ = 65146409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65148451) 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, 23143 + ... + 25804.

It is an arithmetic number, because the mean of its divisors is an integer number (8957484).

Almost surely, 2^65148457 is an apocalyptic number.

It is an amenable number.

65148457 is a deficient number, since it is larger than the sum of its proper divisors (6511415).

65148457 is an equidigital number, since it uses as much as digits as its factorization.

65148457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48980 (or 48958 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 65148457 is about 8071.4594095492. The cubic root of 65148457 is about 402.3784481796.

The spelling of 65148457 in words is "sixty-five million, one hundred forty-eight thousand, four hundred fifty-seven".