65045450 has 24 divisors (see below), whose sum is σ = 121226988. Its totient is φ = 25966080.

The previous prime is 65045447. The next prime is 65045473. The reversal of 65045450 is 5454056.

It can be written as a sum of positive squares in 6 ways, for example, as 23687689 + 41357761 = 4867^2 + 6431^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32684 + ... + 34616.

Almost surely, 2^65045450 is an apocalyptic number.

65045450 is a deficient number, since it is larger than the sum of its proper divisors (56181538).

65045450 is a wasteful number, since it uses less digits than its factorization.

65045450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 65045450 is about 8065.0759450857. The cubic root of 65045450 is about 402.1662678637.

The spelling of 65045450 in words is "sixty-five million, forty-five thousand, four hundred fifty".