4545388546 has 4 divisors (see below), whose sum is σ = 6818082822. Its totient is φ = 2272694272.

The previous prime is 4545388531. The next prime is 4545388553. The reversal of 4545388546 is 6458835454.

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

It can be written as a sum of positive squares in only one way, i.e., 2419164225 + 2126224321 = 49185^2 + 46111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4545388493 and 4545388502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136347135 + ... + 1136347138.

Almost surely, 2^4545388546 is an apocalyptic number.

4545388546 is a deficient number, since it is larger than the sum of its proper divisors (2272694276).

4545388546 is a wasteful number, since it uses less digits than its factorization.

4545388546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272694275.

The product of its digits is 9216000, while the sum is 52.

The square root of 4545388546 is about 67419.4967794925. The cubic root of 4545388546 is about 1656.4957949088.

The spelling of 4545388546 in words is "four billion, five hundred forty-five million, three hundred eighty-eight thousand, five hundred forty-six".