65030142 has 16 divisors (see below), whose sum is σ = 130367232. Its totient is φ = 21625560.

The previous prime is 65030137. The next prime is 65030149. The reversal of 65030142 is 24103056.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65030149) 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, 9988 + ... + 15159.

It is an arithmetic number, because the mean of its divisors is an integer number (8147952).

Almost surely, 2^65030142 is an apocalyptic number.

65030142 is an abundant number, since it is smaller than the sum of its proper divisors (65337090).

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

65030142 is a wasteful number, since it uses less digits than its factorization.

65030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25583.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 65030142 is about 8064.1268591212. The cubic root of 65030142 is about 402.1347163652.

Adding to 65030142 its reverse (24103056), we get a palindrome (89133198).

The spelling of 65030142 in words is "sixty-five million, thirty thousand, one hundred forty-two".