7456807801145 has 4 divisors (see below), whose sum is σ = 8948169361380. Its totient is φ = 5965446240912.

The previous prime is 7456807801133. The next prime is 7456807801217. The reversal of 7456807801145 is 5411087086547.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3321327647401 + 4135480153744 = 1822451^2 + 2033588^2 .

It is a cyclic number.

It is not a de Polignac number, because 7456807801145 - 2⁶ = 7456807801081 is a prime.

It is a super-3 number, since 3×7456807801145³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745680780110 + ... + 745680780119.

It is an arithmetic number, because the mean of its divisors is an integer number (2237042340345).

Almost surely, 2^{7456807801145} is an apocalyptic number.

It is an amenable number.

7456807801145 is a deficient number, since it is larger than the sum of its proper divisors (1491361560235).

7456807801145 is a wasteful number, since it uses less digits than its factorization.

7456807801145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491361560234.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 7456807801145 in words is "seven trillion, four hundred fifty-six billion, eight hundred seven million, eight hundred one thousand, one hundred forty-five".