65152144 has 10 divisors (see below), whose sum is σ = 126232310. Its totient is φ = 32576064.

The previous prime is 65152141. The next prime is 65152147. The reversal of 65152144 is 44125156.

It is an interprime number because it is at equal distance from previous prime (65152141) and next prime (65152147).

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 831744 = 8020^2 + 912^2 .

It is not an unprimeable number, because it can be changed into a prime (65152141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035989 + ... + 2036020.

It is an arithmetic number, because the mean of its divisors is an integer number (12623231).

Almost surely, 2^65152144 is an apocalyptic number.

It is an amenable number.

65152144 is a deficient number, since it is larger than the sum of its proper divisors (61080166).

65152144 is a wasteful number, since it uses less digits than its factorization.

65152144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072017 (or 4072011 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 65152144 is about 8071.6878036753. The cubic root of 65152144 is about 402.3860387474.

The spelling of 65152144 in words is "sixty-five million, one hundred fifty-two thousand, one hundred forty-four".