48765645 has 30 divisors (see below), whose sum is σ = 87669582. Its totient is φ = 25933392.

The previous prime is 48765643. The next prime is 48765653. The reversal of 48765645 is 54656784.

48765645 is a `hidden beast` number, since 4 + 87 + 6 + 564 + 5 = 666.

48765645 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 only one way, i.e., 39012516 + 9753129 = 6246^2 + 3123^2 .

It is not a de Polignac number, because 48765645 - 2¹ = 48765643 is a prime.

It is a super-3 number, since 3×48765645³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 48765645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48765643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 140362 + ... + 140708.

Almost surely, 2^48765645 is an apocalyptic number.

48765645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48765645 is a deficient number, since it is larger than the sum of its proper divisors (38903937).

48765645 is an frugal number, since it uses more digits than its factorization.

48765645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 355 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 48765645 is about 6983.2402937318. The cubic root of 48765645 is about 365.3462530248.

Multiplying 48765645 by its sum of digits (45), we get a square (2194454025 = 46845²).

48765645 divided by its sum of digits (45) gives a square (1083681 = 1041²).

The spelling of 48765645 in words is "forty-eight million, seven hundred sixty-five thousand, six hundred forty-five".