7248604545 has 120 divisors (see below), whose sum is σ = 16278520104. Its totient is φ = 3058642944.

The previous prime is 7248604523. The next prime is 7248604567. The reversal of 7248604545 is 5454068427.

7248604545 is a `hidden beast` number, since 7 + 2 + 48 + 60 + 4 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (7248604523) and next prime (7248604567).

It can be written as a sum of positive squares in 4 ways, for example, as 427000896 + 6821603649 = 20664^2 + 82593^2 .

It is not a de Polignac number, because 7248604545 - 2⁵ = 7248604513 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct 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 7248604545.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 243937 + ... + 272033.

Almost surely, 2^7248604545 is an apocalyptic number.

It is an amenable number.

7248604545 is an abundant number, since it is smaller than the sum of its proper divisors (9029915559).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7248604545 is a wasteful number, since it uses less digits than its factorization.

7248604545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28141 (or 28125 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The square root of 7248604545 is about 85138.7370413727. The cubic root of 7248604545 is about 1935.3141368481.

The spelling of 7248604545 in words is "seven billion, two hundred forty-eight million, six hundred four thousand, five hundred forty-five".