7284540145 has 8 divisors (see below), whose sum is σ = 8790284160. Its totient is φ = 5795074800.

The previous prime is 7284540143. The next prime is 7284540149. The reversal of 7284540145 is 5410454827.

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

It is not a de Polignac number, because 7284540145 - 2¹ = 7284540143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7284540098 and 7284540107.

It is not an unprimeable number, because it can be changed into a prime (7284540143) 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, 4068681 + ... + 4070470.

It is an arithmetic number, because the mean of its divisors is an integer number (1098785520).

Almost surely, 2^7284540145 is an apocalyptic number.

It is an amenable number.

7284540145 is a deficient number, since it is larger than the sum of its proper divisors (1505744015).

7284540145 is a wasteful number, since it uses less digits than its factorization.

7284540145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139335.

The product of its (nonzero) digits is 179200, while the sum is 40.

The square root of 7284540145 is about 85349.5175440377. The cubic root of 7284540145 is about 1938.5070301295.

The spelling of 7284540145 in words is "seven billion, two hundred eighty-four million, five hundred forty thousand, one hundred forty-five".