7481145245 has 16 divisors (see below), whose sum is σ = 10361443968. Its totient is φ = 5079134400.

The previous prime is 7481145227. The next prime is 7481145251. The reversal of 7481145245 is 5425411847.

It is not a de Polignac number, because 7481145245 - 2¹⁰ = 7481144221 is a prime.

It is a super-2 number, since 2×7481145245² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054619 + ... + 1061688.

It is an arithmetic number, because the mean of its divisors is an integer number (647590248).

Almost surely, 2^7481145245 is an apocalyptic number.

It is an amenable number.

7481145245 is a deficient number, since it is larger than the sum of its proper divisors (2880298723).

7481145245 is a wasteful number, since it uses less digits than its factorization.

7481145245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116420.

The product of its digits is 179200, while the sum is 41.

The square root of 7481145245 is about 86493.6138972121. The cubic root of 7481145245 is about 1955.7921358736.

The spelling of 7481145245 in words is "seven billion, four hundred eighty-one million, one hundred forty-five thousand, two hundred forty-five".