7145744012 has 12 divisors (see below), whose sum is σ = 13641875016. Its totient is φ = 3248065440.

The previous prime is 7145743931. The next prime is 7145744017. The reversal of 7145744012 is 2104475417.

It is a super-2 number, since 2×7145744012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7145744017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81201593 + ... + 81201680.

It is an arithmetic number, because the mean of its divisors is an integer number (1136822918).

Almost surely, 2^7145744012 is an apocalyptic number.

It is an amenable number.

7145744012 is a deficient number, since it is larger than the sum of its proper divisors (6496131004).

7145744012 is a wasteful number, since it uses less digits than its factorization.

7145744012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162403288 (or 162403286 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 7145744012 is about 84532.5026957087. The cubic root of 7145744012 is about 1926.1162031131.

It can be divided in two parts, 7145 and 744012, that added together give a palindrome (751157).

The spelling of 7145744012 in words is "seven billion, one hundred forty-five million, seven hundred forty-four thousand, twelve".