65145422 has 4 divisors (see below), whose sum is σ = 97718136. Its totient is φ = 32572710.

The previous prime is 65145359. The next prime is 65145461. The reversal of 65145422 is 22454156.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16286354 + ... + 16286357.

It is an arithmetic number, because the mean of its divisors is an integer number (24429534).

Almost surely, 2^65145422 is an apocalyptic number.

65145422 is a deficient number, since it is larger than the sum of its proper divisors (32572714).

65145422 is a wasteful number, since it uses less digits than its factorization.

65145422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32572713.

The product of its digits is 9600, while the sum is 29.

The square root of 65145422 is about 8071.2713992283. The cubic root of 65145422 is about 402.3721996941.

Adding to 65145422 its reverse (22454156), we get a palindrome (87599578).

The spelling of 65145422 in words is "sixty-five million, one hundred forty-five thousand, four hundred twenty-two".