65445434 has 4 divisors (see below), whose sum is σ = 98168154. Its totient is φ = 32722716.

The previous prime is 65445421. The next prime is 65445439. The reversal of 65445434 is 43454456.

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

It can be written as a sum of positive squares in only one way, i.e., 61230625 + 4214809 = 7825^2 + 2053^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65445394 and 65445403.

It is not an unprimeable number, because it can be changed into a prime (65445439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16361357 + ... + 16361360.

Almost surely, 2^65445434 is an apocalyptic number.

65445434 is a deficient number, since it is larger than the sum of its proper divisors (32722720).

65445434 is a wasteful number, since it uses less digits than its factorization.

65445434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32722719.

The product of its digits is 115200, while the sum is 35.

The square root of 65445434 is about 8089.8352269994. The cubic root of 65445434 is about 402.9889309334.

The spelling of 65445434 in words is "sixty-five million, four hundred forty-five thousand, four hundred thirty-four".