662142045 has 16 divisors (see below), whose sum is σ = 1072193472. Its totient is φ = 348887040.

The previous prime is 662142043. The next prime is 662142071. The reversal of 662142045 is 540241266.

It is not a de Polignac number, because 662142045 - 2¹ = 662142043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662142043) 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, 264676 + ... + 267165.

It is an arithmetic number, because the mean of its divisors is an integer number (67012092).

Almost surely, 2^662142045 is an apocalyptic number.

It is an amenable number.

662142045 is a deficient number, since it is larger than the sum of its proper divisors (410051427).

662142045 is a wasteful number, since it uses less digits than its factorization.

662142045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531932.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 662142045 is about 25732.1208803316. The cubic root of 662142045 is about 871.5996662236.

The spelling of 662142045 in words is "six hundred sixty-two million, one hundred forty-two thousand, forty-five".