4545707273 has 4 divisors (see below), whose sum is σ = 4545969168. Its totient is φ = 4545445380.

The previous prime is 4545707249. The next prime is 4545707291. The reversal of 4545707273 is 3727075454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4545707273 - 2¹⁸ = 4545445129 is a prime.

It is a super-2 number, since 2×4545707273² = 41326909223610193058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545700273) 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, 102911 + ... + 140292.

It is an arithmetic number, because the mean of its divisors is an integer number (1136492292).

Almost surely, 2^4545707273 is an apocalyptic number.

It is an amenable number.

4545707273 is a deficient number, since it is larger than the sum of its proper divisors (261895).

4545707273 is a wasteful number, since it uses less digits than its factorization.

4545707273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261894.

The product of its (nonzero) digits is 823200, while the sum is 44.

The square root of 4545707273 is about 67421.8604979127. The cubic root of 4545707273 is about 1656.5345123613.

The spelling of 4545707273 in words is "four billion, five hundred forty-five million, seven hundred seven thousand, two hundred seventy-three".