65151142 has 16 divisors (see below), whose sum is σ = 113103360. Its totient is φ = 27568008.

The previous prime is 65151137. The next prime is 65151143. The reversal of 65151142 is 24115156.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65151143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28348 + ... + 30559.

It is an arithmetic number, because the mean of its divisors is an integer number (7068960).

Almost surely, 2^65151142 is an apocalyptic number.

65151142 is a deficient number, since it is larger than the sum of its proper divisors (47952218).

65151142 is a wasteful number, since it uses less digits than its factorization.

65151142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58995.

The product of its digits is 1200, while the sum is 25.

The square root of 65151142 is about 8071.6257346336. The cubic root of 65151142 is about 402.3839759201.

Adding to 65151142 its reverse (24115156), we get a palindrome (89266298).

The spelling of 65151142 in words is "sixty-five million, one hundred fifty-one thousand, one hundred forty-two".