4542467645 has 4 divisors (see below), whose sum is σ = 5450961180. Its totient is φ = 3633974112.

The previous prime is 4542467621. The next prime is 4542467647. The reversal of 4542467645 is 5467642454.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 736688164 + 3805779481 = 27142^2 + 61691^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542467645 - 2¹⁸ = 4542205501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4542467645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542467647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454246760 + ... + 454246769.

It is an arithmetic number, because the mean of its divisors is an integer number (1362740295).

Almost surely, 2^4542467645 is an apocalyptic number.

It is an amenable number.

4542467645 is a deficient number, since it is larger than the sum of its proper divisors (908493535).

4542467645 is an equidigital number, since it uses as much as digits as its factorization.

4542467645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908493534.

The product of its digits is 3225600, while the sum is 47.

The square root of 4542467645 is about 67397.8311594668. The cubic root of 4542467645 is about 1656.1408933087.

The spelling of 4542467645 in words is "four billion, five hundred forty-two million, four hundred sixty-seven thousand, six hundred forty-five".