7261445145 has 8 divisors (see below), whose sum is σ = 11618312256. Its totient is φ = 3872770736.

The previous prime is 7261445143. The next prime is 7261445171. The reversal of 7261445145 is 5415441627.

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 7261445145 - 2¹ = 7261445143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7261445141) 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, 242048157 + ... + 242048186.

It is an arithmetic number, because the mean of its divisors is an integer number (1452289032).

Almost surely, 2^7261445145 is an apocalyptic number.

It is an amenable number.

7261445145 is a deficient number, since it is larger than the sum of its proper divisors (4356867111).

7261445145 is a wasteful number, since it uses less digits than its factorization.

7261445145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484096351.

The product of its digits is 134400, while the sum is 39.

The square root of 7261445145 is about 85214.1135317384. The cubic root of 7261445145 is about 1936.4562387541.

The spelling of 7261445145 in words is "seven billion, two hundred sixty-one million, four hundred forty-five thousand, one hundred forty-five".