7764532145 has 16 divisors (see below), whose sum is σ = 10094958720. Its totient is φ = 5710274304.

The previous prime is 7764532133. The next prime is 7764532163. The reversal of 7764532145 is 5412354677.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7764532145 - 2¹⁰ = 7764531121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7764532096 and 7764532105.

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, 1058525 + ... + 1065834.

It is an arithmetic number, because the mean of its divisors is an integer number (630934920).

Almost surely, 2^7764532145 is an apocalyptic number.

It is an amenable number.

7764532145 is a deficient number, since it is larger than the sum of its proper divisors (2330426575).

7764532145 is a wasteful number, since it uses less digits than its factorization.

7764532145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124424.

The product of its digits is 705600, while the sum is 44.

The square root of 7764532145 is about 88116.5826902065. The cubic root of 7764532145 is about 1980.1819498304.

It can be divided in two parts, 7764532 and 145, that added together give a palindrome (7764677).

The spelling of 7764532145 in words is "seven billion, seven hundred sixty-four million, five hundred thirty-two thousand, one hundred forty-five".