738456545 has 16 divisors (see below), whose sum is σ = 925031568. Its totient is φ = 565367040.

The previous prime is 738456517. The next prime is 738456547. The reversal of 738456545 is 545654837.

738456545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 33500944 + 704955601 = 5788^2 + 26551^2 .

It is not a de Polignac number, because 738456545 - 2²² = 734262241 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 738456545.

It is not an unprimeable number, because it can be changed into a prime (738456547) 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, 21434 + ... + 44003.

It is an arithmetic number, because the mean of its divisors is an integer number (57814473).

Almost surely, 2^738456545 is an apocalyptic number.

It is an amenable number.

738456545 is a deficient number, since it is larger than the sum of its proper divisors (186575023).

738456545 is a wasteful number, since it uses less digits than its factorization.

738456545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65540.

The product of its digits is 2016000, while the sum is 47.

The square root of 738456545 is about 27174.5569421104. The cubic root of 738456545 is about 903.8748754073.

The spelling of 738456545 in words is "seven hundred thirty-eight million, four hundred fifty-six thousand, five hundred forty-five".