662563145 has 8 divisors (see below), whose sum is σ = 822492360. Its totient is φ = 511772800.

The previous prime is 662563141. The next prime is 662563199. The reversal of 662563145 is 541365266.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4999696 + 657563449 = 2236^2 + 25643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662563145 - 2² = 662563141 is a prime.

It is a super-2 number, since 2×662563145² = 877979842224582050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 662563099 and 662563108.

It is not an unprimeable number, because it can be changed into a prime (662563141) 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, 2284556 + ... + 2284845.

It is an arithmetic number, because the mean of its divisors is an integer number (102811545).

Almost surely, 2^662563145 is an apocalyptic number.

It is an amenable number.

662563145 is a deficient number, since it is larger than the sum of its proper divisors (159929215).

662563145 is a wasteful number, since it uses less digits than its factorization.

662563145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569435.

The product of its digits is 129600, while the sum is 38.

The square root of 662563145 is about 25740.3019601558. The cubic root of 662563145 is about 871.7843963951.

The spelling of 662563145 in words is "six hundred sixty-two million, five hundred sixty-three thousand, one hundred forty-five".