4551392745 has 48 divisors (see below), whose sum is σ = 8477913600. Its totient is φ = 2250496512.

The previous prime is 4551392723. The next prime is 4551392761. The reversal of 4551392745 is 5472931554.

4551392745 is a `hidden beast` number, since 4 + 5 + 513 + 92 + 7 + 45 = 666.

It is not a de Polignac number, because 4551392745 - 2¹³ = 4551384553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4551392745.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6856 + ... + 95654.

It is an arithmetic number, because the mean of its divisors is an integer number (176623200).

Almost surely, 2^4551392745 is an apocalyptic number.

4551392745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4551392745 is a deficient number, since it is larger than the sum of its proper divisors (3926520855).

4551392745 is a wasteful number, since it uses less digits than its factorization.

4551392745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88894 (or 88891 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 4551392745 is about 67464.0107390600. The cubic root of 4551392745 is about 1657.2248528078.

The spelling of 4551392745 in words is "four billion, five hundred fifty-one million, three hundred ninety-two thousand, seven hundred forty-five".