7244052545 has 8 divisors (see below), whose sum is σ = 8700013224. Its totient is φ = 5790475264.

The previous prime is 7244052523. The next prime is 7244052547. The reversal of 7244052545 is 5452504427.

It is a Cunningham number, because it is equal to 85112²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2430884416 + 4813168129 = 49304^2 + 69377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7244052545 - 2⁶ = 7244052481 is a prime.

It is a super-3 number, since 3×7244052545³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7244052499 and 7244052508.

It is not an unprimeable number, because it can be changed into a prime (7244052547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589154 + ... + 601323.

It is an arithmetic number, because the mean of its divisors is an integer number (1087501653).

Almost surely, 2^7244052545 is an apocalyptic number.

It is an amenable number.

7244052545 is a deficient number, since it is larger than the sum of its proper divisors (1455960679).

7244052545 is a wasteful number, since it uses less digits than its factorization.

7244052545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191699.

The product of its (nonzero) digits is 224000, while the sum is 38.

The square root of 7244052545 is about 85112.0000058746. Note that the first 5 decimals coincide. The cubic root of 7244052545 is about 1934.9089372623.

The spelling of 7244052545 in words is "seven billion, two hundred forty-four million, fifty-two thousand, five hundred forty-five".