662065145 has 16 divisors (see below), whose sum is σ = 910685568. Its totient is φ = 452632320.

The previous prime is 662065141. The next prime is 662065169. The reversal of 662065145 is 541560266.

It is not a de Polignac number, because 662065145 - 2² = 662065141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662065141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16271 + ... + 39860.

It is an arithmetic number, because the mean of its divisors is an integer number (56917848).

Almost surely, 2^662065145 is an apocalyptic number.

It is an amenable number.

662065145 is a deficient number, since it is larger than the sum of its proper divisors (248620423).

662065145 is a wasteful number, since it uses less digits than its factorization.

662065145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56480.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 662065145 is about 25730.6265955573. The cubic root of 662065145 is about 871.5659229054.

The spelling of 662065145 in words is "six hundred sixty-two million, sixty-five thousand, one hundred forty-five".